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freebsd-skq/sys/dev/bxe/bxe_elink.c
Eric Davis 5e33beca59 Fixed a tx watchdog chip reset that could occur on mostly idle links. 
Fixed various link related issues and 10GBaseT is now linking properly.
Modified the types for the driver tunables to be consistent with the sysctl APIs.

Approved by:	davidch (mentor)
2013-11-15 20:26:14 +00:00

14767 lines
458 KiB
C
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/*-
* Copyright (c) 2007-2013 Broadcom Corporation. All rights reserved.
*
* Eric Davis <edavis@broadcom.com>
* David Christensen <davidch@broadcom.com>
* Gary Zambrano <zambrano@broadcom.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Broadcom Corporation nor the name of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written consent.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "bxe.h"
#include "bxe_elink.h"
#include "ecore_mfw_req.h"
#include "ecore_fw_defs.h"
#include "ecore_hsi.h"
#include "ecore_reg.h"
#define MDIO_REG_BANK_CL73_IEEEB0 0x0
#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL 0x0
#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN 0x0200
#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN 0x1000
#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_MAIN_RST 0x8000
#define MDIO_REG_BANK_CL73_IEEEB1 0x10
#define MDIO_CL73_IEEEB1_AN_ADV1 0x00
#define MDIO_CL73_IEEEB1_AN_ADV1_PAUSE 0x0400
#define MDIO_CL73_IEEEB1_AN_ADV1_ASYMMETRIC 0x0800
#define MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH 0x0C00
#define MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK 0x0C00
#define MDIO_CL73_IEEEB1_AN_ADV2 0x01
#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M 0x0000
#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX 0x0020
#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 0x0040
#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR 0x0080
#define MDIO_CL73_IEEEB1_AN_LP_ADV1 0x03
#define MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE 0x0400
#define MDIO_CL73_IEEEB1_AN_LP_ADV1_ASYMMETRIC 0x0800
#define MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_BOTH 0x0C00
#define MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK 0x0C00
#define MDIO_CL73_IEEEB1_AN_LP_ADV2 0x04
#define MDIO_REG_BANK_RX0 0x80b0
#define MDIO_RX0_RX_STATUS 0x10
#define MDIO_RX0_RX_STATUS_SIGDET 0x8000
#define MDIO_RX0_RX_STATUS_RX_SEQ_DONE 0x1000
#define MDIO_RX0_RX_EQ_BOOST 0x1c
#define MDIO_RX0_RX_EQ_BOOST_EQUALIZER_CTRL_MASK 0x7
#define MDIO_RX0_RX_EQ_BOOST_OFFSET_CTRL 0x10
#define MDIO_REG_BANK_RX1 0x80c0
#define MDIO_RX1_RX_EQ_BOOST 0x1c
#define MDIO_RX1_RX_EQ_BOOST_EQUALIZER_CTRL_MASK 0x7
#define MDIO_RX1_RX_EQ_BOOST_OFFSET_CTRL 0x10
#define MDIO_REG_BANK_RX2 0x80d0
#define MDIO_RX2_RX_EQ_BOOST 0x1c
#define MDIO_RX2_RX_EQ_BOOST_EQUALIZER_CTRL_MASK 0x7
#define MDIO_RX2_RX_EQ_BOOST_OFFSET_CTRL 0x10
#define MDIO_REG_BANK_RX3 0x80e0
#define MDIO_RX3_RX_EQ_BOOST 0x1c
#define MDIO_RX3_RX_EQ_BOOST_EQUALIZER_CTRL_MASK 0x7
#define MDIO_RX3_RX_EQ_BOOST_OFFSET_CTRL 0x10
#define MDIO_REG_BANK_RX_ALL 0x80f0
#define MDIO_RX_ALL_RX_EQ_BOOST 0x1c
#define MDIO_RX_ALL_RX_EQ_BOOST_EQUALIZER_CTRL_MASK 0x7
#define MDIO_RX_ALL_RX_EQ_BOOST_OFFSET_CTRL 0x10
#define MDIO_REG_BANK_TX0 0x8060
#define MDIO_TX0_TX_DRIVER 0x17
#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK 0xf000
#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT 12
#define MDIO_TX0_TX_DRIVER_IDRIVER_MASK 0x0f00
#define MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT 8
#define MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK 0x00f0
#define MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT 4
#define MDIO_TX0_TX_DRIVER_IFULLSPD_MASK 0x000e
#define MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT 1
#define MDIO_TX0_TX_DRIVER_ICBUF1T 1
#define MDIO_REG_BANK_TX1 0x8070
#define MDIO_TX1_TX_DRIVER 0x17
#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK 0xf000
#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT 12
#define MDIO_TX0_TX_DRIVER_IDRIVER_MASK 0x0f00
#define MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT 8
#define MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK 0x00f0
#define MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT 4
#define MDIO_TX0_TX_DRIVER_IFULLSPD_MASK 0x000e
#define MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT 1
#define MDIO_TX0_TX_DRIVER_ICBUF1T 1
#define MDIO_REG_BANK_TX2 0x8080
#define MDIO_TX2_TX_DRIVER 0x17
#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK 0xf000
#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT 12
#define MDIO_TX0_TX_DRIVER_IDRIVER_MASK 0x0f00
#define MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT 8
#define MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK 0x00f0
#define MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT 4
#define MDIO_TX0_TX_DRIVER_IFULLSPD_MASK 0x000e
#define MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT 1
#define MDIO_TX0_TX_DRIVER_ICBUF1T 1
#define MDIO_REG_BANK_TX3 0x8090
#define MDIO_TX3_TX_DRIVER 0x17
#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK 0xf000
#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT 12
#define MDIO_TX0_TX_DRIVER_IDRIVER_MASK 0x0f00
#define MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT 8
#define MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK 0x00f0
#define MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT 4
#define MDIO_TX0_TX_DRIVER_IFULLSPD_MASK 0x000e
#define MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT 1
#define MDIO_TX0_TX_DRIVER_ICBUF1T 1
#define MDIO_REG_BANK_XGXS_BLOCK0 0x8000
#define MDIO_BLOCK0_XGXS_CONTROL 0x10
#define MDIO_REG_BANK_XGXS_BLOCK1 0x8010
#define MDIO_BLOCK1_LANE_CTRL0 0x15
#define MDIO_BLOCK1_LANE_CTRL1 0x16
#define MDIO_BLOCK1_LANE_CTRL2 0x17
#define MDIO_BLOCK1_LANE_PRBS 0x19
#define MDIO_REG_BANK_XGXS_BLOCK2 0x8100
#define MDIO_XGXS_BLOCK2_RX_LN_SWAP 0x10
#define MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE 0x8000
#define MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE 0x4000
#define MDIO_XGXS_BLOCK2_TX_LN_SWAP 0x11
#define MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE 0x8000
#define MDIO_XGXS_BLOCK2_UNICORE_MODE_10G 0x14
#define MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS 0x0001
#define MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS 0x0010
#define MDIO_XGXS_BLOCK2_TEST_MODE_LANE 0x15
#define MDIO_REG_BANK_GP_STATUS 0x8120
#define MDIO_GP_STATUS_TOP_AN_STATUS1 0x1B
#define MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE 0x0001
#define MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE 0x0002
#define MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS 0x0004
#define MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS 0x0008
#define MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE 0x0010
#define MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_LP_NP_BAM_ABLE 0x0020
#define MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE 0x0040
#define MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE 0x0080
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK 0x3f00
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M 0x0000
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M 0x0100
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G 0x0200
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G 0x0300
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G 0x0400
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G 0x0500
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG 0x0600
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4 0x0700
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG 0x0800
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G 0x0900
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G 0x0A00
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G 0x0B00
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G 0x0C00
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX 0x0D00
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4 0x0E00
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR 0x0F00
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI 0x1B00
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS 0x1E00
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI 0x1F00
#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2 0x3900
#define MDIO_REG_BANK_10G_PARALLEL_DETECT 0x8130
#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS 0x10
#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK 0x8000
#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL 0x11
#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN 0x1
#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK 0x13
#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT (0xb71<<1)
#define MDIO_REG_BANK_SERDES_DIGITAL 0x8300
#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1 0x10
#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE 0x0001
#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_TBI_IF 0x0002
#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN 0x0004
#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT 0x0008
#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET 0x0010
#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE 0x0020
#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL2 0x11
#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN 0x0001
#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_AN_FST_TMR 0x0040
#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1 0x14
#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SGMII 0x0001
#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_LINK 0x0002
#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_DUPLEX 0x0004
#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_MASK 0x0018
#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_SHIFT 3
#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_2_5G 0x0018
#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_1G 0x0010
#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_100M 0x0008
#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_10M 0x0000
#define MDIO_SERDES_DIGITAL_A_1000X_STATUS2 0x15
#define MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED 0x0002
#define MDIO_SERDES_DIGITAL_MISC1 0x18
#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_MASK 0xE000
#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_25M 0x0000
#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_100M 0x2000
#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_125M 0x4000
#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M 0x6000
#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_187_5M 0x8000
#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL 0x0010
#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK 0x000f
#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_2_5G 0x0000
#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_5G 0x0001
#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_6G 0x0002
#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_HIG 0x0003
#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4 0x0004
#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_12G 0x0005
#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_12_5G 0x0006
#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G 0x0007
#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_15G 0x0008
#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_16G 0x0009
#define MDIO_REG_BANK_OVER_1G 0x8320
#define MDIO_OVER_1G_DIGCTL_3_4 0x14
#define MDIO_OVER_1G_DIGCTL_3_4_MP_ID_MASK 0xffe0
#define MDIO_OVER_1G_DIGCTL_3_4_MP_ID_SHIFT 5
#define MDIO_OVER_1G_UP1 0x19
#define MDIO_OVER_1G_UP1_2_5G 0x0001
#define MDIO_OVER_1G_UP1_5G 0x0002
#define MDIO_OVER_1G_UP1_6G 0x0004
#define MDIO_OVER_1G_UP1_10G 0x0010
#define MDIO_OVER_1G_UP1_10GH 0x0008
#define MDIO_OVER_1G_UP1_12G 0x0020
#define MDIO_OVER_1G_UP1_12_5G 0x0040
#define MDIO_OVER_1G_UP1_13G 0x0080
#define MDIO_OVER_1G_UP1_15G 0x0100
#define MDIO_OVER_1G_UP1_16G 0x0200
#define MDIO_OVER_1G_UP2 0x1A
#define MDIO_OVER_1G_UP2_IPREDRIVER_MASK 0x0007
#define MDIO_OVER_1G_UP2_IDRIVER_MASK 0x0038
#define MDIO_OVER_1G_UP2_PREEMPHASIS_MASK 0x03C0
#define MDIO_OVER_1G_UP3 0x1B
#define MDIO_OVER_1G_UP3_HIGIG2 0x0001
#define MDIO_OVER_1G_LP_UP1 0x1C
#define MDIO_OVER_1G_LP_UP2 0x1D
#define MDIO_OVER_1G_LP_UP2_MR_ADV_OVER_1G_MASK 0x03ff
#define MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK 0x0780
#define MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT 7
#define MDIO_OVER_1G_LP_UP3 0x1E
#define MDIO_REG_BANK_REMOTE_PHY 0x8330
#define MDIO_REMOTE_PHY_MISC_RX_STATUS 0x10
#define MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG 0x0010
#define MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG 0x0600
#define MDIO_REG_BANK_BAM_NEXT_PAGE 0x8350
#define MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL 0x10
#define MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE 0x0001
#define MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN 0x0002
#define MDIO_REG_BANK_CL73_USERB0 0x8370
#define MDIO_CL73_USERB0_CL73_UCTRL 0x10
#define MDIO_CL73_USERB0_CL73_UCTRL_USTAT1_MUXSEL 0x0002
#define MDIO_CL73_USERB0_CL73_USTAT1 0x11
#define MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK 0x0100
#define MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37 0x0400
#define MDIO_CL73_USERB0_CL73_BAM_CTRL1 0x12
#define MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN 0x8000
#define MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN 0x4000
#define MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN 0x2000
#define MDIO_CL73_USERB0_CL73_BAM_CTRL3 0x14
#define MDIO_CL73_USERB0_CL73_BAM_CTRL3_USE_CL73_HCD_MR 0x0001
#define MDIO_REG_BANK_AER_BLOCK 0xFFD0
#define MDIO_AER_BLOCK_AER_REG 0x1E
#define MDIO_REG_BANK_COMBO_IEEE0 0xFFE0
#define MDIO_COMBO_IEEE0_MII_CONTROL 0x10
#define MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK 0x2040
#define MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_10 0x0000
#define MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100 0x2000
#define MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000 0x0040
#define MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX 0x0100
#define MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN 0x0200
#define MDIO_COMBO_IEEO_MII_CONTROL_AN_EN 0x1000
#define MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK 0x4000
#define MDIO_COMBO_IEEO_MII_CONTROL_RESET 0x8000
#define MDIO_COMBO_IEEE0_MII_STATUS 0x11
#define MDIO_COMBO_IEEE0_MII_STATUS_LINK_PASS 0x0004
#define MDIO_COMBO_IEEE0_MII_STATUS_AUTONEG_COMPLETE 0x0020
#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV 0x14
#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX 0x0020
#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_HALF_DUPLEX 0x0040
#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK 0x0180
#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE 0x0000
#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC 0x0080
#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC 0x0100
#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH 0x0180
#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_NEXT_PAGE 0x8000
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1 0x15
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_NEXT_PAGE 0x8000
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_ACK 0x4000
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_PAUSE_MASK 0x0180
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_PAUSE_NONE 0x0000
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_PAUSE_BOTH 0x0180
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_HALF_DUP_CAP 0x0040
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_FULL_DUP_CAP 0x0020
/*WhenthelinkpartnerisinSGMIImode(bit0=1),then
bit15=link,bit12=duplex,bits11:10=speed,bit14=acknowledge.
Theotherbitsarereservedandshouldbezero*/
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_SGMII_MODE 0x0001
#define MDIO_PMA_DEVAD 0x1
/*ieee*/
#define MDIO_PMA_REG_CTRL 0x0
#define MDIO_PMA_REG_STATUS 0x1
#define MDIO_PMA_REG_10G_CTRL2 0x7
#define MDIO_PMA_REG_TX_DISABLE 0x0009
#define MDIO_PMA_REG_RX_SD 0xa
/*bcm*/
#define MDIO_PMA_REG_BCM_CTRL 0x0096
#define MDIO_PMA_REG_FEC_CTRL 0x00ab
#define MDIO_PMA_LASI_RXCTRL 0x9000
#define MDIO_PMA_LASI_TXCTRL 0x9001
#define MDIO_PMA_LASI_CTRL 0x9002
#define MDIO_PMA_LASI_RXSTAT 0x9003
#define MDIO_PMA_LASI_TXSTAT 0x9004
#define MDIO_PMA_LASI_STAT 0x9005
#define MDIO_PMA_REG_PHY_IDENTIFIER 0xc800
#define MDIO_PMA_REG_DIGITAL_CTRL 0xc808
#define MDIO_PMA_REG_DIGITAL_STATUS 0xc809
#define MDIO_PMA_REG_TX_POWER_DOWN 0xca02
#define MDIO_PMA_REG_CMU_PLL_BYPASS 0xca09
#define MDIO_PMA_REG_MISC_CTRL 0xca0a
#define MDIO_PMA_REG_GEN_CTRL 0xca10
#define MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP 0x0188
#define MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET 0x018a
#define MDIO_PMA_REG_M8051_MSGIN_REG 0xca12
#define MDIO_PMA_REG_M8051_MSGOUT_REG 0xca13
#define MDIO_PMA_REG_ROM_VER1 0xca19
#define MDIO_PMA_REG_ROM_VER2 0xca1a
#define MDIO_PMA_REG_EDC_FFE_MAIN 0xca1b
#define MDIO_PMA_REG_PLL_BANDWIDTH 0xca1d
#define MDIO_PMA_REG_PLL_CTRL 0xca1e
#define MDIO_PMA_REG_MISC_CTRL0 0xca23
#define MDIO_PMA_REG_LRM_MODE 0xca3f
#define MDIO_PMA_REG_CDR_BANDWIDTH 0xca46
#define MDIO_PMA_REG_MISC_CTRL1 0xca85
#define MDIO_PMA_REG_SFP_TWO_WIRE_CTRL 0x8000
#define MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK 0x000c
#define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE 0x0000
#define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE 0x0004
#define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IN_PROGRESS 0x0008
#define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_FAILED 0x000c
#define MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT 0x8002
#define MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR 0x8003
#define MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF 0xc820
#define MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK 0xff
#define MDIO_PMA_REG_8726_TX_CTRL1 0xca01
#define MDIO_PMA_REG_8726_TX_CTRL2 0xca05
#define MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR 0x8005
#define MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF 0x8007
#define MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK 0xff
#define MDIO_PMA_REG_8727_MISC_CTRL 0x8309
#define MDIO_PMA_REG_8727_TX_CTRL1 0xca02
#define MDIO_PMA_REG_8727_TX_CTRL2 0xca05
#define MDIO_PMA_REG_8727_PCS_OPT_CTRL 0xc808
#define MDIO_PMA_REG_8727_GPIO_CTRL 0xc80e
#define MDIO_PMA_REG_8727_PCS_GP 0xc842
#define MDIO_PMA_REG_8727_OPT_CFG_REG 0xc8e4
#define MDIO_AN_REG_8727_MISC_CTRL 0x8309
#define MDIO_PMA_REG_8073_CHIP_REV 0xc801
#define MDIO_PMA_REG_8073_SPEED_LINK_STATUS 0xc820
#define MDIO_PMA_REG_8073_XAUI_WA 0xc841
#define MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL 0xcd08
#define MDIO_PMA_REG_7101_RESET 0xc000
#define MDIO_PMA_REG_7107_LED_CNTL 0xc007
#define MDIO_PMA_REG_7107_LINK_LED_CNTL 0xc009
#define MDIO_PMA_REG_7101_VER1 0xc026
#define MDIO_PMA_REG_7101_VER2 0xc027
#define MDIO_PMA_REG_8481_PMD_SIGNAL 0xa811
#define MDIO_PMA_REG_8481_LED1_MASK 0xa82c
#define MDIO_PMA_REG_8481_LED2_MASK 0xa82f
#define MDIO_PMA_REG_8481_LED3_MASK 0xa832
#define MDIO_PMA_REG_8481_LED3_BLINK 0xa834
#define MDIO_PMA_REG_8481_LED5_MASK 0xa838
#define MDIO_PMA_REG_8481_SIGNAL_MASK 0xa835
#define MDIO_PMA_REG_8481_LINK_SIGNAL 0xa83b
#define MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK 0x800
#define MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT 11
#define MDIO_WIS_DEVAD 0x2
/*bcm*/
#define MDIO_WIS_REG_LASI_CNTL 0x9002
#define MDIO_WIS_REG_LASI_STATUS 0x9005
#define MDIO_PCS_DEVAD 0x3
#define MDIO_PCS_REG_STATUS 0x0020
#define MDIO_PCS_REG_LASI_STATUS 0x9005
#define MDIO_PCS_REG_7101_DSP_ACCESS 0xD000
#define MDIO_PCS_REG_7101_SPI_MUX 0xD008
#define MDIO_PCS_REG_7101_SPI_CTRL_ADDR 0xE12A
#define MDIO_PCS_REG_7101_SPI_RESET_BIT (5)
#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR 0xE02A
#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR_WRITE_ENABLE_CMD (6)
#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR_BULK_ERASE_CMD (0xC7)
#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR_PAGE_PROGRAM_CMD (2)
#define MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR 0xE028
#define MDIO_XS_DEVAD 0x4
#define MDIO_XS_REG_STATUS 0x0001
#define MDIO_XS_PLL_SEQUENCER 0x8000
#define MDIO_XS_SFX7101_XGXS_TEST1 0xc00a
#define MDIO_XS_8706_REG_BANK_RX0 0x80bc
#define MDIO_XS_8706_REG_BANK_RX1 0x80cc
#define MDIO_XS_8706_REG_BANK_RX2 0x80dc
#define MDIO_XS_8706_REG_BANK_RX3 0x80ec
#define MDIO_XS_8706_REG_BANK_RXA 0x80fc
#define MDIO_XS_REG_8073_RX_CTRL_PCIE 0x80FA
#define MDIO_AN_DEVAD 0x7
/*ieee*/
#define MDIO_AN_REG_CTRL 0x0000
#define MDIO_AN_REG_STATUS 0x0001
#define MDIO_AN_REG_STATUS_AN_COMPLETE 0x0020
#define MDIO_AN_REG_ADV_PAUSE 0x0010
#define MDIO_AN_REG_ADV_PAUSE_PAUSE 0x0400
#define MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC 0x0800
#define MDIO_AN_REG_ADV_PAUSE_BOTH 0x0C00
#define MDIO_AN_REG_ADV_PAUSE_MASK 0x0C00
#define MDIO_AN_REG_ADV 0x0011
#define MDIO_AN_REG_ADV2 0x0012
#define MDIO_AN_REG_LP_AUTO_NEG 0x0013
#define MDIO_AN_REG_LP_AUTO_NEG2 0x0014
#define MDIO_AN_REG_MASTER_STATUS 0x0021
#define MDIO_AN_REG_EEE_ADV 0x003c
#define MDIO_AN_REG_LP_EEE_ADV 0x003d
/*bcm*/
#define MDIO_AN_REG_LINK_STATUS 0x8304
#define MDIO_AN_REG_CL37_CL73 0x8370
#define MDIO_AN_REG_CL37_AN 0xffe0
#define MDIO_AN_REG_CL37_FC_LD 0xffe4
#define MDIO_AN_REG_CL37_FC_LP 0xffe5
#define MDIO_AN_REG_1000T_STATUS 0xffea
#define MDIO_AN_REG_8073_2_5G 0x8329
#define MDIO_AN_REG_8073_BAM 0x8350
#define MDIO_AN_REG_8481_10GBASE_T_AN_CTRL 0x0020
#define MDIO_AN_REG_8481_LEGACY_MII_CTRL 0xffe0
#define MDIO_AN_REG_8481_MII_CTRL_FORCE_1G 0x40
#define MDIO_AN_REG_8481_LEGACY_MII_STATUS 0xffe1
#define MDIO_AN_REG_8481_LEGACY_AN_ADV 0xffe4
#define MDIO_AN_REG_8481_LEGACY_AN_EXPANSION 0xffe6
#define MDIO_AN_REG_8481_1000T_CTRL 0xffe9
#define MDIO_AN_REG_8481_1G_100T_EXT_CTRL 0xfff0
#define MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF 0x0008
#define MDIO_AN_REG_8481_EXPANSION_REG_RD_RW 0xfff5
#define MDIO_AN_REG_8481_EXPANSION_REG_ACCESS 0xfff7
#define MDIO_AN_REG_8481_AUX_CTRL 0xfff8
#define MDIO_AN_REG_8481_LEGACY_SHADOW 0xfffc
/* BCM84823 only */
#define MDIO_CTL_DEVAD 0x1e
#define MDIO_CTL_REG_84823_MEDIA 0x401a
#define MDIO_CTL_REG_84823_MEDIA_MAC_MASK 0x0018
/* These pins configure the BCM84823 interface to MAC after reset. */
#define MDIO_CTL_REG_84823_CTRL_MAC_XFI 0x0008
#define MDIO_CTL_REG_84823_MEDIA_MAC_XAUI_M 0x0010
/* These pins configure the BCM84823 interface to Line after reset. */
#define MDIO_CTL_REG_84823_MEDIA_LINE_MASK 0x0060
#define MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L 0x0020
#define MDIO_CTL_REG_84823_MEDIA_LINE_XFI 0x0040
/* When this pin is active high during reset, 10GBASE-T core is power
* down, When it is active low the 10GBASE-T is power up
*/
#define MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN 0x0080
#define MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK 0x0100
#define MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER 0x0000
#define MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER 0x0100
#define MDIO_CTL_REG_84823_MEDIA_FIBER_1G 0x1000
#define MDIO_CTL_REG_84823_USER_CTRL_REG 0x4005
#define MDIO_CTL_REG_84823_USER_CTRL_CMS 0x0080
#define MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH 0xa82b
#define MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ 0x2f
#define MDIO_PMA_REG_84823_CTL_LED_CTL_1 0xa8e3
#define MDIO_PMA_REG_84833_CTL_LED_CTL_1 0xa8ec
#define MDIO_PMA_REG_84823_LED3_STRETCH_EN 0x0080
/* BCM84833 only */
#define MDIO_84833_TOP_CFG_FW_REV 0x400f
#define MDIO_84833_TOP_CFG_FW_EEE 0x10b1
#define MDIO_84833_TOP_CFG_FW_NO_EEE 0x1f81
#define MDIO_84833_TOP_CFG_XGPHY_STRAP1 0x401a
#define MDIO_84833_SUPER_ISOLATE 0x8000
/* These are mailbox register set used by 84833. */
#define MDIO_84833_TOP_CFG_SCRATCH_REG0 0x4005
#define MDIO_84833_TOP_CFG_SCRATCH_REG1 0x4006
#define MDIO_84833_TOP_CFG_SCRATCH_REG2 0x4007
#define MDIO_84833_TOP_CFG_SCRATCH_REG3 0x4008
#define MDIO_84833_TOP_CFG_SCRATCH_REG4 0x4009
#define MDIO_84833_TOP_CFG_SCRATCH_REG26 0x4037
#define MDIO_84833_TOP_CFG_SCRATCH_REG27 0x4038
#define MDIO_84833_TOP_CFG_SCRATCH_REG28 0x4039
#define MDIO_84833_TOP_CFG_SCRATCH_REG29 0x403a
#define MDIO_84833_TOP_CFG_SCRATCH_REG30 0x403b
#define MDIO_84833_TOP_CFG_SCRATCH_REG31 0x403c
#define MDIO_84833_CMD_HDLR_COMMAND MDIO_84833_TOP_CFG_SCRATCH_REG0
#define MDIO_84833_CMD_HDLR_STATUS MDIO_84833_TOP_CFG_SCRATCH_REG26
#define MDIO_84833_CMD_HDLR_DATA1 MDIO_84833_TOP_CFG_SCRATCH_REG27
#define MDIO_84833_CMD_HDLR_DATA2 MDIO_84833_TOP_CFG_SCRATCH_REG28
#define MDIO_84833_CMD_HDLR_DATA3 MDIO_84833_TOP_CFG_SCRATCH_REG29
#define MDIO_84833_CMD_HDLR_DATA4 MDIO_84833_TOP_CFG_SCRATCH_REG30
#define MDIO_84833_CMD_HDLR_DATA5 MDIO_84833_TOP_CFG_SCRATCH_REG31
/* Mailbox command set used by 84833. */
#define PHY84833_CMD_SET_PAIR_SWAP 0x8001
#define PHY84833_CMD_GET_EEE_MODE 0x8008
#define PHY84833_CMD_SET_EEE_MODE 0x8009
#define PHY84833_CMD_GET_CURRENT_TEMP 0x8031
/* Mailbox status set used by 84833. */
#define PHY84833_STATUS_CMD_RECEIVED 0x0001
#define PHY84833_STATUS_CMD_IN_PROGRESS 0x0002
#define PHY84833_STATUS_CMD_COMPLETE_PASS 0x0004
#define PHY84833_STATUS_CMD_COMPLETE_ERROR 0x0008
#define PHY84833_STATUS_CMD_OPEN_FOR_CMDS 0x0010
#define PHY84833_STATUS_CMD_SYSTEM_BOOT 0x0020
#define PHY84833_STATUS_CMD_NOT_OPEN_FOR_CMDS 0x0040
#define PHY84833_STATUS_CMD_CLEAR_COMPLETE 0x0080
#define PHY84833_STATUS_CMD_OPEN_OVERRIDE 0xa5a5
/* Warpcore clause 45 addressing */
#define MDIO_WC_DEVAD 0x3
#define MDIO_WC_REG_IEEE0BLK_MIICNTL 0x0
#define MDIO_WC_REG_IEEE0BLK_AUTONEGNP 0x7
#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT0 0x10
#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1 0x11
#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2 0x12
#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY 0x4000
#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ 0x8000
#define MDIO_WC_REG_PCS_STATUS2 0x0021
#define MDIO_WC_REG_PMD_KR_CONTROL 0x0096
#define MDIO_WC_REG_XGXSBLK0_XGXSCONTROL 0x8000
#define MDIO_WC_REG_XGXSBLK0_MISCCONTROL1 0x800e
#define MDIO_WC_REG_XGXSBLK1_DESKEW 0x8010
#define MDIO_WC_REG_XGXSBLK1_LANECTRL0 0x8015
#define MDIO_WC_REG_XGXSBLK1_LANECTRL1 0x8016
#define MDIO_WC_REG_XGXSBLK1_LANECTRL2 0x8017
#define MDIO_WC_REG_XGXSBLK1_LANECTRL3 0x8018
#define MDIO_WC_REG_XGXSBLK1_LANETEST0 0x801a
#define MDIO_WC_REG_TX0_ANA_CTRL0 0x8061
#define MDIO_WC_REG_TX1_ANA_CTRL0 0x8071
#define MDIO_WC_REG_TX2_ANA_CTRL0 0x8081
#define MDIO_WC_REG_TX3_ANA_CTRL0 0x8091
#define MDIO_WC_REG_TX0_TX_DRIVER 0x8067
#define MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET 0x04
#define MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_MASK 0x00f0
#define MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET 0x08
#define MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_MASK 0x0f00
#define MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET 0x0c
#define MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_MASK 0x7000
#define MDIO_WC_REG_TX1_TX_DRIVER 0x8077
#define MDIO_WC_REG_TX2_TX_DRIVER 0x8087
#define MDIO_WC_REG_TX3_TX_DRIVER 0x8097
#define MDIO_WC_REG_RX0_ANARXCONTROL1G 0x80b9
#define MDIO_WC_REG_RX2_ANARXCONTROL1G 0x80d9
#define MDIO_WC_REG_RX0_PCI_CTRL 0x80ba
#define MDIO_WC_REG_RX1_PCI_CTRL 0x80ca
#define MDIO_WC_REG_RX2_PCI_CTRL 0x80da
#define MDIO_WC_REG_RX3_PCI_CTRL 0x80ea
#define MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI 0x80fa
#define MDIO_WC_REG_XGXSBLK2_UNICORE_MODE_10G 0x8104
#define MDIO_WC_REG_XGXS_STATUS3 0x8129
#define MDIO_WC_REG_PAR_DET_10G_STATUS 0x8130
#define MDIO_WC_REG_PAR_DET_10G_CTRL 0x8131
#define MDIO_WC_REG_XGXS_STATUS4 0x813c
#define MDIO_WC_REG_XGXS_X2_CONTROL2 0x8141
#define MDIO_WC_REG_XGXS_X2_CONTROL3 0x8142
#define MDIO_WC_REG_XGXS_RX_LN_SWAP1 0x816B
#define MDIO_WC_REG_XGXS_TX_LN_SWAP1 0x8169
#define MDIO_WC_REG_GP2_STATUS_GP_2_0 0x81d0
#define MDIO_WC_REG_GP2_STATUS_GP_2_1 0x81d1
#define MDIO_WC_REG_GP2_STATUS_GP_2_2 0x81d2
#define MDIO_WC_REG_GP2_STATUS_GP_2_3 0x81d3
#define MDIO_WC_REG_GP2_STATUS_GP_2_4 0x81d4
#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL 0x1000
#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CMPL 0x0100
#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP 0x0010
#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CAP 0x1
#define MDIO_WC_REG_UC_INFO_B0_DEAD_TRAP 0x81EE
#define MDIO_WC_REG_UC_INFO_B1_VERSION 0x81F0
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE 0x81F2
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE0_OFFSET 0x0
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT 0x0
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_OPT_LR 0x1
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC 0x2
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_XLAUI 0x3
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_LONG_CH_6G 0x4
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE1_OFFSET 0x4
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE2_OFFSET 0x8
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE3_OFFSET 0xc
#define MDIO_WC_REG_UC_INFO_B1_CRC 0x81FE
#define MDIO_WC_REG_DSC1B0_UC_CTRL 0x820e
#define MDIO_WC_REG_DSC1B0_UC_CTRL_RDY4CMD (1<<7)
#define MDIO_WC_REG_DSC_SMC 0x8213
#define MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0 0x821e
#define MDIO_WC_REG_TX_FIR_TAP 0x82e2
#define MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET 0x00
#define MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_MASK 0x000f
#define MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET 0x04
#define MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_MASK 0x03f0
#define MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET 0x0a
#define MDIO_WC_REG_TX_FIR_TAP_POST_TAP_MASK 0x7c00
#define MDIO_WC_REG_TX_FIR_TAP_ENABLE 0x8000
#define MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP 0x82e2
#define MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL 0x82e3
#define MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL 0x82e6
#define MDIO_WC_REG_CL72_USERB0_CL72_BR_DEF_CTRL 0x82e7
#define MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL 0x82e8
#define MDIO_WC_REG_CL72_USERB0_CL72_MISC4_CONTROL 0x82ec
#define MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1 0x8300
#define MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2 0x8301
#define MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3 0x8302
#define MDIO_WC_REG_SERDESDIGITAL_STATUS1000X1 0x8304
#define MDIO_WC_REG_SERDESDIGITAL_MISC1 0x8308
#define MDIO_WC_REG_SERDESDIGITAL_MISC2 0x8309
#define MDIO_WC_REG_DIGITAL3_UP1 0x8329
#define MDIO_WC_REG_DIGITAL3_LP_UP1 0x832c
#define MDIO_WC_REG_DIGITAL4_MISC3 0x833c
#define MDIO_WC_REG_DIGITAL4_MISC5 0x833e
#define MDIO_WC_REG_DIGITAL5_MISC6 0x8345
#define MDIO_WC_REG_DIGITAL5_MISC7 0x8349
#define MDIO_WC_REG_DIGITAL5_LINK_STATUS 0x834d
#define MDIO_WC_REG_DIGITAL5_ACTUAL_SPEED 0x834e
#define MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL 0x8350
#define MDIO_WC_REG_CL49_USERB0_CTRL 0x8368
#define MDIO_WC_REG_CL73_USERB0_CTRL 0x8370
#define MDIO_WC_REG_CL73_USERB0_USTAT 0x8371
#define MDIO_WC_REG_CL73_BAM_CTRL1 0x8372
#define MDIO_WC_REG_CL73_BAM_CTRL2 0x8373
#define MDIO_WC_REG_CL73_BAM_CTRL3 0x8374
#define MDIO_WC_REG_CL73_BAM_CODE_FIELD 0x837b
#define MDIO_WC_REG_EEE_COMBO_CONTROL0 0x8390
#define MDIO_WC_REG_TX66_CONTROL 0x83b0
#define MDIO_WC_REG_RX66_CONTROL 0x83c0
#define MDIO_WC_REG_RX66_SCW0 0x83c2
#define MDIO_WC_REG_RX66_SCW1 0x83c3
#define MDIO_WC_REG_RX66_SCW2 0x83c4
#define MDIO_WC_REG_RX66_SCW3 0x83c5
#define MDIO_WC_REG_RX66_SCW0_MASK 0x83c6
#define MDIO_WC_REG_RX66_SCW1_MASK 0x83c7
#define MDIO_WC_REG_RX66_SCW2_MASK 0x83c8
#define MDIO_WC_REG_RX66_SCW3_MASK 0x83c9
#define MDIO_WC_REG_FX100_CTRL1 0x8400
#define MDIO_WC_REG_FX100_CTRL3 0x8402
#define MDIO_WC_REG_CL82_USERB1_TX_CTRL5 0x8436
#define MDIO_WC_REG_CL82_USERB1_TX_CTRL6 0x8437
#define MDIO_WC_REG_CL82_USERB1_TX_CTRL7 0x8438
#define MDIO_WC_REG_CL82_USERB1_TX_CTRL9 0x8439
#define MDIO_WC_REG_CL82_USERB1_RX_CTRL10 0x843a
#define MDIO_WC_REG_CL82_USERB1_RX_CTRL11 0x843b
#define MDIO_WC_REG_ETA_CL73_OUI1 0x8453
#define MDIO_WC_REG_ETA_CL73_OUI2 0x8454
#define MDIO_WC_REG_ETA_CL73_OUI3 0x8455
#define MDIO_WC_REG_ETA_CL73_LD_BAM_CODE 0x8456
#define MDIO_WC_REG_ETA_CL73_LD_UD_CODE 0x8457
#define MDIO_WC_REG_MICROBLK_CMD 0xffc2
#define MDIO_WC_REG_MICROBLK_DL_STATUS 0xffc5
#define MDIO_WC_REG_MICROBLK_CMD3 0xffcc
#define MDIO_WC_REG_AERBLK_AER 0xffde
#define MDIO_WC_REG_COMBO_IEEE0_MIICTRL 0xffe0
#define MDIO_WC_REG_COMBO_IEEE0_MIIISTAT 0xffe1
#define MDIO_WC0_XGXS_BLK2_LANE_RESET 0x810A
#define MDIO_WC0_XGXS_BLK2_LANE_RESET_RX_BITSHIFT 0
#define MDIO_WC0_XGXS_BLK2_LANE_RESET_TX_BITSHIFT 4
#define MDIO_WC0_XGXS_BLK6_XGXS_X2_CONTROL2 0x8141
#define DIGITAL5_ACTUAL_SPEED_TX_MASK 0x003f
/* 54618se */
#define MDIO_REG_GPHY_MII_STATUS 0x1
#define MDIO_REG_GPHY_PHYID_LSB 0x3
#define MDIO_REG_GPHY_CL45_ADDR_REG 0xd
#define MDIO_REG_GPHY_CL45_REG_WRITE 0x4000
#define MDIO_REG_GPHY_CL45_REG_READ 0xc000
#define MDIO_REG_GPHY_CL45_DATA_REG 0xe
#define MDIO_REG_GPHY_EEE_RESOLVED 0x803e
#define MDIO_REG_GPHY_EXP_ACCESS_GATE 0x15
#define MDIO_REG_GPHY_EXP_ACCESS 0x17
#define MDIO_REG_GPHY_EXP_ACCESS_TOP 0xd00
#define MDIO_REG_GPHY_EXP_TOP_2K_BUF 0x40
#define MDIO_REG_GPHY_AUX_STATUS 0x19
#define MDIO_REG_INTR_STATUS 0x1a
#define MDIO_REG_INTR_MASK 0x1b
#define MDIO_REG_INTR_MASK_LINK_STATUS (0x1 << 1)
#define MDIO_REG_GPHY_SHADOW 0x1c
#define MDIO_REG_GPHY_SHADOW_LED_SEL1 (0x0d << 10)
#define MDIO_REG_GPHY_SHADOW_LED_SEL2 (0x0e << 10)
#define MDIO_REG_GPHY_SHADOW_WR_ENA (0x1 << 15)
#define MDIO_REG_GPHY_SHADOW_AUTO_DET_MED (0x1e << 10)
#define MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD (0x1 << 8)
typedef elink_status_t (*read_sfp_module_eeprom_func_p)(struct elink_phy *phy,
struct elink_params *params,
uint8_t dev_addr, uint16_t addr, uint8_t byte_cnt,
uint8_t *o_buf, uint8_t);
/********************************************************/
#define ELINK_ETH_HLEN 14
/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
#define ELINK_ETH_OVREHEAD (ELINK_ETH_HLEN + 8 + 8)
#define ELINK_ETH_MIN_PACKET_SIZE 60
#define ELINK_ETH_MAX_PACKET_SIZE 1500
#define ELINK_ETH_MAX_JUMBO_PACKET_SIZE 9600
#define ELINK_MDIO_ACCESS_TIMEOUT 1000
#define WC_LANE_MAX 4
#define I2C_SWITCH_WIDTH 2
#define I2C_BSC0 0
#define I2C_BSC1 1
#define I2C_WA_RETRY_CNT 3
#define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
#define MCPR_IMC_COMMAND_READ_OP 1
#define MCPR_IMC_COMMAND_WRITE_OP 2
/* LED Blink rate that will achieve ~15.9Hz */
#define LED_BLINK_RATE_VAL_E3 354
#define LED_BLINK_RATE_VAL_E1X_E2 480
/***********************************************************/
/* Shortcut definitions */
/***********************************************************/
#define ELINK_NIG_LATCH_BC_ENABLE_MI_INT 0
#define ELINK_NIG_STATUS_EMAC0_MI_INT \
NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
#define ELINK_NIG_STATUS_XGXS0_LINK10G \
NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
#define ELINK_NIG_STATUS_XGXS0_LINK_STATUS \
NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
#define ELINK_NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
#define ELINK_NIG_STATUS_SERDES0_LINK_STATUS \
NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
#define ELINK_NIG_MASK_MI_INT \
NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
#define ELINK_NIG_MASK_XGXS0_LINK10G \
NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
#define ELINK_NIG_MASK_XGXS0_LINK_STATUS \
NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
#define ELINK_NIG_MASK_SERDES0_LINK_STATUS \
NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
#define ELINK_MDIO_AN_CL73_OR_37_COMPLETE \
(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
#define ELINK_XGXS_RESET_BITS \
(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
#define ELINK_SERDES_RESET_BITS \
(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
#define ELINK_AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
#define ELINK_AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
#define ELINK_AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
#define ELINK_AUTONEG_PARALLEL \
SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
#define ELINK_AUTONEG_SGMII_FIBER_AUTODET \
SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
#define ELINK_AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
#define ELINK_GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
#define ELINK_GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
#define ELINK_GP_STATUS_SPEED_MASK \
MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
#define ELINK_GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
#define ELINK_GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
#define ELINK_GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
#define ELINK_GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
#define ELINK_GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
#define ELINK_GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
#define ELINK_GP_STATUS_10G_HIG \
MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
#define ELINK_GP_STATUS_10G_CX4 \
MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
#define ELINK_GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
#define ELINK_GP_STATUS_10G_KX4 \
MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
#define ELINK_GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
#define ELINK_GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
#define ELINK_GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
#define ELINK_GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
#define ELINK_GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
#define ELINK_LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
#define ELINK_LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
#define ELINK_LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
#define ELINK_LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
#define ELINK_LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
#define ELINK_LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
#define ELINK_LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
#define ELINK_LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
#define ELINK_LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
#define ELINK_LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
#define ELINK_LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
#define ELINK_LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
#define ELINK_LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
#define ELINK_LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
#define ELINK_LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
#define ELINK_LINK_UPDATE_MASK \
(LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
LINK_STATUS_LINK_UP | \
LINK_STATUS_PHYSICAL_LINK_FLAG | \
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
#define ELINK_SFP_EEPROM_CON_TYPE_ADDR 0x2
#define ELINK_SFP_EEPROM_CON_TYPE_VAL_LC 0x7
#define ELINK_SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
#define ELINK_SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
#define ELINK_SFP_EEPROM_COMP_CODE_ADDR 0x3
#define ELINK_SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
#define ELINK_SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
#define ELINK_SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
#define ELINK_SFP_EEPROM_FC_TX_TECH_ADDR 0x8
#define ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
#define ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
#define ELINK_SFP_EEPROM_OPTIONS_ADDR 0x40
#define ELINK_SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
#define ELINK_SFP_EEPROM_OPTIONS_SIZE 2
#define ELINK_EDC_MODE_LINEAR 0x0022
#define ELINK_EDC_MODE_LIMITING 0x0044
#define ELINK_EDC_MODE_PASSIVE_DAC 0x0055
#define ELINK_EDC_MODE_ACTIVE_DAC 0x0066
/* ETS defines*/
#define DCBX_INVALID_COS (0xFF)
#define ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
#define ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
#define ELINK_ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
#define ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
#define ELINK_ETS_E3B0_PBF_MIN_W_VAL (10000)
#define ELINK_MAX_PACKET_SIZE (9700)
#define MAX_KR_LINK_RETRY 4
/**********************************************************/
/* INTERFACE */
/**********************************************************/
#define CL22_WR_OVER_CL45(_sc, _phy, _bank, _addr, _val) \
elink_cl45_write(_sc, _phy, \
(_phy)->def_md_devad, \
(_bank + (_addr & 0xf)), \
_val)
#define CL22_RD_OVER_CL45(_sc, _phy, _bank, _addr, _val) \
elink_cl45_read(_sc, _phy, \
(_phy)->def_md_devad, \
(_bank + (_addr & 0xf)), \
_val)
static uint32_t elink_bits_en(struct bxe_softc *sc, uint32_t reg, uint32_t bits)
{
uint32_t val = REG_RD(sc, reg);
val |= bits;
REG_WR(sc, reg, val);
return val;
}
static uint32_t elink_bits_dis(struct bxe_softc *sc, uint32_t reg, uint32_t bits)
{
uint32_t val = REG_RD(sc, reg);
val &= ~bits;
REG_WR(sc, reg, val);
return val;
}
/*
* elink_check_lfa - This function checks if link reinitialization is required,
* or link flap can be avoided.
*
* @params: link parameters
* Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
* condition code.
*/
static int elink_check_lfa(struct elink_params *params)
{
uint32_t link_status, cfg_idx, lfa_mask, cfg_size;
uint32_t cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
uint32_t saved_val, req_val, eee_status;
struct bxe_softc *sc = params->sc;
additional_config =
REG_RD(sc, params->lfa_base +
offsetof(struct shmem_lfa, additional_config));
/* NOTE: must be first condition checked -
* to verify DCC bit is cleared in any case!
*/
if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
ELINK_DEBUG_P0(sc, "No LFA due to DCC flap after clp exit\n");
REG_WR(sc, params->lfa_base +
offsetof(struct shmem_lfa, additional_config),
additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
return LFA_DCC_LFA_DISABLED;
}
/* Verify that link is up */
link_status = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
port_mb[params->port].link_status));
if (!(link_status & LINK_STATUS_LINK_UP))
return LFA_LINK_DOWN;
/* if loaded after BOOT from SAN, don't flap the link in any case and
* rely on link set by preboot driver
*/
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_BOOT_FROM_SAN)
return 0;
/* Verify that loopback mode is not set */
if (params->loopback_mode)
return LFA_LOOPBACK_ENABLED;
/* Verify that MFW supports LFA */
if (!params->lfa_base)
return LFA_MFW_IS_TOO_OLD;
if (params->num_phys == 3) {
cfg_size = 2;
lfa_mask = 0xffffffff;
} else {
cfg_size = 1;
lfa_mask = 0xffff;
}
/* Compare Duplex */
saved_val = REG_RD(sc, params->lfa_base +
offsetof(struct shmem_lfa, req_duplex));
req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
ELINK_DEBUG_P2(sc, "Duplex mismatch %x vs. %x\n",
(saved_val & lfa_mask), (req_val & lfa_mask));
return LFA_DUPLEX_MISMATCH;
}
/* Compare Flow Control */
saved_val = REG_RD(sc, params->lfa_base +
offsetof(struct shmem_lfa, req_flow_ctrl));
req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
ELINK_DEBUG_P2(sc, "Flow control mismatch %x vs. %x\n",
(saved_val & lfa_mask), (req_val & lfa_mask));
return LFA_FLOW_CTRL_MISMATCH;
}
/* Compare Link Speed */
saved_val = REG_RD(sc, params->lfa_base +
offsetof(struct shmem_lfa, req_line_speed));
req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
ELINK_DEBUG_P2(sc, "Link speed mismatch %x vs. %x\n",
(saved_val & lfa_mask), (req_val & lfa_mask));
return LFA_LINK_SPEED_MISMATCH;
}
for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
cur_speed_cap_mask = REG_RD(sc, params->lfa_base +
offsetof(struct shmem_lfa,
speed_cap_mask[cfg_idx]));
if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
ELINK_DEBUG_P2(sc, "Speed Cap mismatch %x vs. %x\n",
cur_speed_cap_mask,
params->speed_cap_mask[cfg_idx]);
return LFA_SPEED_CAP_MISMATCH;
}
}
cur_req_fc_auto_adv =
REG_RD(sc, params->lfa_base +
offsetof(struct shmem_lfa, additional_config)) &
REQ_FC_AUTO_ADV_MASK;
if ((uint16_t)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
ELINK_DEBUG_P2(sc, "Flow Ctrl AN mismatch %x vs. %x\n",
cur_req_fc_auto_adv, params->req_fc_auto_adv);
return LFA_FLOW_CTRL_MISMATCH;
}
eee_status = REG_RD(sc, params->shmem2_base +
offsetof(struct shmem2_region,
eee_status[params->port]));
if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)) ||
((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
(params->eee_mode & ELINK_EEE_MODE_ADV_LPI))) {
ELINK_DEBUG_P2(sc, "EEE mismatch %x vs. %x\n", params->eee_mode,
eee_status);
return LFA_EEE_MISMATCH;
}
/* LFA conditions are met */
return 0;
}
/******************************************************************/
/* EPIO/GPIO section */
/******************************************************************/
static void elink_get_epio(struct bxe_softc *sc, uint32_t epio_pin, uint32_t *en)
{
uint32_t epio_mask, gp_oenable;
*en = 0;
/* Sanity check */
if (epio_pin > 31) {
ELINK_DEBUG_P1(sc, "Invalid EPIO pin %d to get\n", epio_pin);
return;
}
epio_mask = 1 << epio_pin;
/* Set this EPIO to output */
gp_oenable = REG_RD(sc, MCP_REG_MCPR_GP_OENABLE);
REG_WR(sc, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
*en = (REG_RD(sc, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
}
static void elink_set_epio(struct bxe_softc *sc, uint32_t epio_pin, uint32_t en)
{
uint32_t epio_mask, gp_output, gp_oenable;
/* Sanity check */
if (epio_pin > 31) {
ELINK_DEBUG_P1(sc, "Invalid EPIO pin %d to set\n", epio_pin);
return;
}
ELINK_DEBUG_P2(sc, "Setting EPIO pin %d to %d\n", epio_pin, en);
epio_mask = 1 << epio_pin;
/* Set this EPIO to output */
gp_output = REG_RD(sc, MCP_REG_MCPR_GP_OUTPUTS);
if (en)
gp_output |= epio_mask;
else
gp_output &= ~epio_mask;
REG_WR(sc, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
/* Set the value for this EPIO */
gp_oenable = REG_RD(sc, MCP_REG_MCPR_GP_OENABLE);
REG_WR(sc, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
}
static void elink_set_cfg_pin(struct bxe_softc *sc, uint32_t pin_cfg, uint32_t val)
{
if (pin_cfg == PIN_CFG_NA)
return;
if (pin_cfg >= PIN_CFG_EPIO0) {
elink_set_epio(sc, pin_cfg - PIN_CFG_EPIO0, val);
} else {
uint8_t gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
uint8_t gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
elink_cb_gpio_write(sc, gpio_num, (uint8_t)val, gpio_port);
}
}
static uint32_t elink_get_cfg_pin(struct bxe_softc *sc, uint32_t pin_cfg, uint32_t *val)
{
if (pin_cfg == PIN_CFG_NA)
return ELINK_STATUS_ERROR;
if (pin_cfg >= PIN_CFG_EPIO0) {
elink_get_epio(sc, pin_cfg - PIN_CFG_EPIO0, val);
} else {
uint8_t gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
uint8_t gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
*val = elink_cb_gpio_read(sc, gpio_num, gpio_port);
}
return ELINK_STATUS_OK;
}
/******************************************************************/
/* ETS section */
/******************************************************************/
static void elink_ets_e2e3a0_disabled(struct elink_params *params)
{
/* ETS disabled configuration*/
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P0(sc, "ETS E2E3 disabled configuration\n");
/* mapping between entry priority to client number (0,1,2 -debug and
* management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
* 3bits client num.
* PRI4 | PRI3 | PRI2 | PRI1 | PRI0
* cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
*/
REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
* as strict. Bits 0,1,2 - debug and management entries, 3 -
* COS0 entry, 4 - COS1 entry.
* COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
* bit4 bit3 bit2 bit1 bit0
* MCP and debug are strict
*/
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
/* defines which entries (clients) are subjected to WFQ arbitration */
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
/* For strict priority entries defines the number of consecutive
* slots for the highest priority.
*/
REG_WR(sc, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
/* mapping between the CREDIT_WEIGHT registers and actual client
* numbers
*/
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
REG_WR(sc, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
/* ETS mode disable */
REG_WR(sc, PBF_REG_ETS_ENABLED, 0);
/* If ETS mode is enabled (there is no strict priority) defines a WFQ
* weight for COS0/COS1.
*/
REG_WR(sc, PBF_REG_COS0_WEIGHT, 0x2710);
REG_WR(sc, PBF_REG_COS1_WEIGHT, 0x2710);
/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
REG_WR(sc, PBF_REG_COS0_UPPER_BOUND, 0x989680);
REG_WR(sc, PBF_REG_COS1_UPPER_BOUND, 0x989680);
/* Defines the number of consecutive slots for the strict priority */
REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
}
/******************************************************************************
* Description:
* Getting min_w_val will be set according to line speed .
*.
******************************************************************************/
static uint32_t elink_ets_get_min_w_val_nig(const struct elink_vars *vars)
{
uint32_t min_w_val = 0;
/* Calculate min_w_val.*/
if (vars->link_up) {
if (vars->line_speed == ELINK_SPEED_20000)
min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
else
min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
} else
min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
/* If the link isn't up (static configuration for example ) The
* link will be according to 20GBPS.
*/
return min_w_val;
}
/******************************************************************************
* Description:
* Getting credit upper bound form min_w_val.
*.
******************************************************************************/
static uint32_t elink_ets_get_credit_upper_bound(const uint32_t min_w_val)
{
const uint32_t credit_upper_bound = (uint32_t)ELINK_MAXVAL((150 * min_w_val),
ELINK_MAX_PACKET_SIZE);
return credit_upper_bound;
}
/******************************************************************************
* Description:
* Set credit upper bound for NIG.
*.
******************************************************************************/
static void elink_ets_e3b0_set_credit_upper_bound_nig(
const struct elink_params *params,
const uint32_t min_w_val)
{
struct bxe_softc *sc = params->sc;
const uint8_t port = params->port;
const uint32_t credit_upper_bound =
elink_ets_get_credit_upper_bound(min_w_val);
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
if (!port) {
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
credit_upper_bound);
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
credit_upper_bound);
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
credit_upper_bound);
}
}
/******************************************************************************
* Description:
* Will return the NIG ETS registers to init values.Except
* credit_upper_bound.
* That isn't used in this configuration (No WFQ is enabled) and will be
* configured acording to spec
*.
******************************************************************************/
static void elink_ets_e3b0_nig_disabled(const struct elink_params *params,
const struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
const uint8_t port = params->port;
const uint32_t min_w_val = elink_ets_get_min_w_val_nig(vars);
/* Mapping between entry priority to client number (0,1,2 -debug and
* management clients, 3 - COS0 client, 4 - COS1, ... 8 -
* COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
* reset value or init tool
*/
if (port) {
REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
} else {
REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
}
/* For strict priority entries defines the number of consecutive
* slots for the highest priority.
*/
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
/* Mapping between the CREDIT_WEIGHT registers and actual client
* numbers
*/
if (port) {
/*Port 1 has 6 COS*/
REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
} else {
/*Port 0 has 9 COS*/
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
0x43210876);
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
}
/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
* as strict. Bits 0,1,2 - debug and management entries, 3 -
* COS0 entry, 4 - COS1 entry.
* COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
* bit4 bit3 bit2 bit1 bit0
* MCP and debug are strict
*/
if (port)
REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
else
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
/* defines which entries (clients) are subjected to WFQ arbitration */
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
/* Please notice the register address are note continuous and a
* for here is note appropriate.In 2 port mode port0 only COS0-5
* can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
* port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
* are never used for WFQ
*/
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
if (!port) {
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
}
elink_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
}
/******************************************************************************
* Description:
* Set credit upper bound for PBF.
*.
******************************************************************************/
static void elink_ets_e3b0_set_credit_upper_bound_pbf(
const struct elink_params *params,
const uint32_t min_w_val)
{
struct bxe_softc *sc = params->sc;
const uint32_t credit_upper_bound =
elink_ets_get_credit_upper_bound(min_w_val);
const uint8_t port = params->port;
uint32_t base_upper_bound = 0;
uint8_t max_cos = 0;
uint8_t i = 0;
/* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
* port mode port1 has COS0-2 that can be used for WFQ.
*/
if (!port) {
base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
} else {
base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1;
}
for (i = 0; i < max_cos; i++)
REG_WR(sc, base_upper_bound + (i << 2), credit_upper_bound);
}
/******************************************************************************
* Description:
* Will return the PBF ETS registers to init values.Except
* credit_upper_bound.
* That isn't used in this configuration (No WFQ is enabled) and will be
* configured acording to spec
*.
******************************************************************************/
static void elink_ets_e3b0_pbf_disabled(const struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
const uint8_t port = params->port;
const uint32_t min_w_val_pbf = ELINK_ETS_E3B0_PBF_MIN_W_VAL;
uint8_t i = 0;
uint32_t base_weight = 0;
uint8_t max_cos = 0;
/* Mapping between entry priority to client number 0 - COS0
* client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
* TODO_ETS - Should be done by reset value or init tool
*/
if (port)
/* 0x688 (|011|0 10|00 1|000) */
REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
else
/* (10 1|100 |011|0 10|00 1|000) */
REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
/* TODO_ETS - Should be done by reset value or init tool */
if (port)
/* 0x688 (|011|0 10|00 1|000)*/
REG_WR(sc, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
else
/* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
REG_WR(sc, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
REG_WR(sc, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
/* In 2 port mode port0 has COS0-5 that can be used for WFQ.
* In 4 port mode port1 has COS0-2 that can be used for WFQ.
*/
if (!port) {
base_weight = PBF_REG_COS0_WEIGHT_P0;
max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
} else {
base_weight = PBF_REG_COS0_WEIGHT_P1;
max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1;
}
for (i = 0; i < max_cos; i++)
REG_WR(sc, base_weight + (0x4 * i), 0);
elink_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
}
/******************************************************************************
* Description:
* E3B0 disable will return basicly the values to init values.
*.
******************************************************************************/
static elink_status_t elink_ets_e3b0_disabled(const struct elink_params *params,
const struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
if (!CHIP_IS_E3B0(sc)) {
ELINK_DEBUG_P0(sc,
"elink_ets_e3b0_disabled the chip isn't E3B0\n");
return ELINK_STATUS_ERROR;
}
elink_ets_e3b0_nig_disabled(params, vars);
elink_ets_e3b0_pbf_disabled(params);
return ELINK_STATUS_OK;
}
/******************************************************************************
* Description:
* Disable will return basicly the values to init values.
*
******************************************************************************/
elink_status_t elink_ets_disabled(struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
elink_status_t elink_status = ELINK_STATUS_OK;
if ((CHIP_IS_E2(sc)) || (CHIP_IS_E3A0(sc)))
elink_ets_e2e3a0_disabled(params);
else if (CHIP_IS_E3B0(sc))
elink_status = elink_ets_e3b0_disabled(params, vars);
else {
ELINK_DEBUG_P0(sc, "elink_ets_disabled - chip not supported\n");
return ELINK_STATUS_ERROR;
}
return elink_status;
}
/******************************************************************************
* Description
* Set the COS mappimg to SP and BW until this point all the COS are not
* set as SP or BW.
******************************************************************************/
static elink_status_t elink_ets_e3b0_cli_map(const struct elink_params *params,
const struct elink_ets_params *ets_params,
const uint8_t cos_sp_bitmap,
const uint8_t cos_bw_bitmap)
{
struct bxe_softc *sc = params->sc;
const uint8_t port = params->port;
const uint8_t nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
const uint8_t pbf_cli_sp_bitmap = cos_sp_bitmap;
const uint8_t nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
const uint8_t pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
nig_cli_subject2wfq_bitmap);
REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
pbf_cli_subject2wfq_bitmap);
return ELINK_STATUS_OK;
}
/******************************************************************************
* Description:
* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
******************************************************************************/
static elink_status_t elink_ets_e3b0_set_cos_bw(struct bxe_softc *sc,
const uint8_t cos_entry,
const uint32_t min_w_val_nig,
const uint32_t min_w_val_pbf,
const uint16_t total_bw,
const uint8_t bw,
const uint8_t port)
{
uint32_t nig_reg_adress_crd_weight = 0;
uint32_t pbf_reg_adress_crd_weight = 0;
/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
const uint32_t cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
const uint32_t cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
switch (cos_entry) {
case 0:
nig_reg_adress_crd_weight =
(port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
pbf_reg_adress_crd_weight = (port) ?
PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
break;
case 1:
nig_reg_adress_crd_weight = (port) ?
NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
pbf_reg_adress_crd_weight = (port) ?
PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
break;
case 2:
nig_reg_adress_crd_weight = (port) ?
NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
pbf_reg_adress_crd_weight = (port) ?
PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
break;
case 3:
if (port)
return ELINK_STATUS_ERROR;
nig_reg_adress_crd_weight =
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
pbf_reg_adress_crd_weight =
PBF_REG_COS3_WEIGHT_P0;
break;
case 4:
if (port)
return ELINK_STATUS_ERROR;
nig_reg_adress_crd_weight =
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
break;
case 5:
if (port)
return ELINK_STATUS_ERROR;
nig_reg_adress_crd_weight =
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
break;
}
REG_WR(sc, nig_reg_adress_crd_weight, cos_bw_nig);
REG_WR(sc, pbf_reg_adress_crd_weight, cos_bw_pbf);
return ELINK_STATUS_OK;
}
/******************************************************************************
* Description:
* Calculate the total BW.A value of 0 isn't legal.
*
******************************************************************************/
static elink_status_t elink_ets_e3b0_get_total_bw(
const struct elink_params *params,
struct elink_ets_params *ets_params,
uint16_t *total_bw)
{
struct bxe_softc *sc = params->sc;
uint8_t cos_idx = 0;
uint8_t is_bw_cos_exist = 0;
*total_bw = 0 ;
/* Calculate total BW requested */
for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
if (ets_params->cos[cos_idx].state == elink_cos_state_bw) {
is_bw_cos_exist = 1;
if (!ets_params->cos[cos_idx].params.bw_params.bw) {
ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config BW"
"was set to 0\n");
/* This is to prevent a state when ramrods
* can't be sent
*/
ets_params->cos[cos_idx].params.bw_params.bw
= 1;
}
*total_bw +=
ets_params->cos[cos_idx].params.bw_params.bw;
}
}
/* Check total BW is valid */
if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
if (*total_bw == 0) {
ELINK_DEBUG_P0(sc,
"elink_ets_E3B0_config total BW shouldn't be 0\n");
return ELINK_STATUS_ERROR;
}
ELINK_DEBUG_P0(sc,
"elink_ets_E3B0_config total BW should be 100\n");
/* We can handle a case whre the BW isn't 100 this can happen
* if the TC are joined.
*/
}
return ELINK_STATUS_OK;
}
/******************************************************************************
* Description:
* Invalidate all the sp_pri_to_cos.
*
******************************************************************************/
static void elink_ets_e3b0_sp_pri_to_cos_init(uint8_t *sp_pri_to_cos)
{
uint8_t pri = 0;
for (pri = 0; pri < ELINK_DCBX_MAX_NUM_COS; pri++)
sp_pri_to_cos[pri] = DCBX_INVALID_COS;
}
/******************************************************************************
* Description:
* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
* according to sp_pri_to_cos.
*
******************************************************************************/
static elink_status_t elink_ets_e3b0_sp_pri_to_cos_set(const struct elink_params *params,
uint8_t *sp_pri_to_cos, const uint8_t pri,
const uint8_t cos_entry)
{
struct bxe_softc *sc = params->sc;
const uint8_t port = params->port;
const uint8_t max_num_of_cos = (port) ? ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
if (pri >= max_num_of_cos) {
ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_pri_to_cos_set invalid "
"parameter Illegal strict priority\n");
return ELINK_STATUS_ERROR;
}
if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_pri_to_cos_set invalid "
"parameter There can't be two COS's with "
"the same strict pri\n");
return ELINK_STATUS_ERROR;
}
sp_pri_to_cos[pri] = cos_entry;
return ELINK_STATUS_OK;
}
/******************************************************************************
* Description:
* Returns the correct value according to COS and priority in
* the sp_pri_cli register.
*
******************************************************************************/
static uint64_t elink_e3b0_sp_get_pri_cli_reg(const uint8_t cos, const uint8_t cos_offset,
const uint8_t pri_set,
const uint8_t pri_offset,
const uint8_t entry_size)
{
uint64_t pri_cli_nig = 0;
pri_cli_nig = ((uint64_t)(cos + cos_offset)) << (entry_size *
(pri_set + pri_offset));
return pri_cli_nig;
}
/******************************************************************************
* Description:
* Returns the correct value according to COS and priority in the
* sp_pri_cli register for NIG.
*
******************************************************************************/
static uint64_t elink_e3b0_sp_get_pri_cli_reg_nig(const uint8_t cos, const uint8_t pri_set)
{
/* MCP Dbg0 and dbg1 are always with higher strict pri*/
const uint8_t nig_cos_offset = 3;
const uint8_t nig_pri_offset = 3;
return elink_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
nig_pri_offset, 4);
}
/******************************************************************************
* Description:
* Returns the correct value according to COS and priority in the
* sp_pri_cli register for PBF.
*
******************************************************************************/
static uint64_t elink_e3b0_sp_get_pri_cli_reg_pbf(const uint8_t cos, const uint8_t pri_set)
{
const uint8_t pbf_cos_offset = 0;
const uint8_t pbf_pri_offset = 0;
return elink_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
pbf_pri_offset, 3);
}
/******************************************************************************
* Description:
* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
* according to sp_pri_to_cos.(which COS has higher priority)
*
******************************************************************************/
static elink_status_t elink_ets_e3b0_sp_set_pri_cli_reg(const struct elink_params *params,
uint8_t *sp_pri_to_cos)
{
struct bxe_softc *sc = params->sc;
uint8_t i = 0;
const uint8_t port = params->port;
/* MCP Dbg0 and dbg1 are always with higher strict pri*/
uint64_t pri_cli_nig = 0x210;
uint32_t pri_cli_pbf = 0x0;
uint8_t pri_set = 0;
uint8_t pri_bitmask = 0;
const uint8_t max_num_of_cos = (port) ? ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
uint8_t cos_bit_to_set = (1 << max_num_of_cos) - 1;
/* Set all the strict priority first */
for (i = 0; i < max_num_of_cos; i++) {
if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
if (sp_pri_to_cos[i] >= ELINK_DCBX_MAX_NUM_COS) {
ELINK_DEBUG_P0(sc,
"elink_ets_e3b0_sp_set_pri_cli_reg "
"invalid cos entry\n");
return ELINK_STATUS_ERROR;
}
pri_cli_nig |= elink_e3b0_sp_get_pri_cli_reg_nig(
sp_pri_to_cos[i], pri_set);
pri_cli_pbf |= elink_e3b0_sp_get_pri_cli_reg_pbf(
sp_pri_to_cos[i], pri_set);
pri_bitmask = 1 << sp_pri_to_cos[i];
/* COS is used remove it from bitmap.*/
if (!(pri_bitmask & cos_bit_to_set)) {
ELINK_DEBUG_P0(sc,
"elink_ets_e3b0_sp_set_pri_cli_reg "
"invalid There can't be two COS's with"
" the same strict pri\n");
return ELINK_STATUS_ERROR;
}
cos_bit_to_set &= ~pri_bitmask;
pri_set++;
}
}
/* Set all the Non strict priority i= COS*/
for (i = 0; i < max_num_of_cos; i++) {
pri_bitmask = 1 << i;
/* Check if COS was already used for SP */
if (pri_bitmask & cos_bit_to_set) {
/* COS wasn't used for SP */
pri_cli_nig |= elink_e3b0_sp_get_pri_cli_reg_nig(
i, pri_set);
pri_cli_pbf |= elink_e3b0_sp_get_pri_cli_reg_pbf(
i, pri_set);
/* COS is used remove it from bitmap.*/
cos_bit_to_set &= ~pri_bitmask;
pri_set++;
}
}
if (pri_set != max_num_of_cos) {
ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_set_pri_cli_reg not all "
"entries were set\n");
return ELINK_STATUS_ERROR;
}
if (port) {
/* Only 6 usable clients*/
REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
(uint32_t)pri_cli_nig);
REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
} else {
/* Only 9 usable clients*/
const uint32_t pri_cli_nig_lsb = (uint32_t) (pri_cli_nig);
const uint32_t pri_cli_nig_msb = (uint32_t) ((pri_cli_nig >> 32) & 0xF);
REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
pri_cli_nig_lsb);
REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
pri_cli_nig_msb);
REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
}
return ELINK_STATUS_OK;
}
/******************************************************************************
* Description:
* Configure the COS to ETS according to BW and SP settings.
******************************************************************************/
elink_status_t elink_ets_e3b0_config(const struct elink_params *params,
const struct elink_vars *vars,
struct elink_ets_params *ets_params)
{
struct bxe_softc *sc = params->sc;
elink_status_t elink_status = ELINK_STATUS_OK;
const uint8_t port = params->port;
uint16_t total_bw = 0;
const uint32_t min_w_val_nig = elink_ets_get_min_w_val_nig(vars);
const uint32_t min_w_val_pbf = ELINK_ETS_E3B0_PBF_MIN_W_VAL;
uint8_t cos_bw_bitmap = 0;
uint8_t cos_sp_bitmap = 0;
uint8_t sp_pri_to_cos[ELINK_DCBX_MAX_NUM_COS] = {0};
const uint8_t max_num_of_cos = (port) ? ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
uint8_t cos_entry = 0;
if (!CHIP_IS_E3B0(sc)) {
ELINK_DEBUG_P0(sc,
"elink_ets_e3b0_disabled the chip isn't E3B0\n");
return ELINK_STATUS_ERROR;
}
if ((ets_params->num_of_cos > max_num_of_cos)) {
ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config the number of COS "
"isn't supported\n");
return ELINK_STATUS_ERROR;
}
/* Prepare sp strict priority parameters*/
elink_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
/* Prepare BW parameters*/
elink_status = elink_ets_e3b0_get_total_bw(params, ets_params,
&total_bw);
if (elink_status != ELINK_STATUS_OK) {
ELINK_DEBUG_P0(sc,
"elink_ets_E3B0_config get_total_bw failed\n");
return ELINK_STATUS_ERROR;
}
/* Upper bound is set according to current link speed (min_w_val
* should be the same for upper bound and COS credit val).
*/
elink_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
elink_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
if (elink_cos_state_bw == ets_params->cos[cos_entry].state) {
cos_bw_bitmap |= (1 << cos_entry);
/* The function also sets the BW in HW(not the mappin
* yet)
*/
elink_status = elink_ets_e3b0_set_cos_bw(
sc, cos_entry, min_w_val_nig, min_w_val_pbf,
total_bw,
ets_params->cos[cos_entry].params.bw_params.bw,
port);
} else if (elink_cos_state_strict ==
ets_params->cos[cos_entry].state){
cos_sp_bitmap |= (1 << cos_entry);
elink_status = elink_ets_e3b0_sp_pri_to_cos_set(
params,
sp_pri_to_cos,
ets_params->cos[cos_entry].params.sp_params.pri,
cos_entry);
} else {
ELINK_DEBUG_P0(sc,
"elink_ets_e3b0_config cos state not valid\n");
return ELINK_STATUS_ERROR;
}
if (elink_status != ELINK_STATUS_OK) {
ELINK_DEBUG_P0(sc,
"elink_ets_e3b0_config set cos bw failed\n");
return elink_status;
}
}
/* Set SP register (which COS has higher priority) */
elink_status = elink_ets_e3b0_sp_set_pri_cli_reg(params,
sp_pri_to_cos);
if (elink_status != ELINK_STATUS_OK) {
ELINK_DEBUG_P0(sc,
"elink_ets_E3B0_config set_pri_cli_reg failed\n");
return elink_status;
}
/* Set client mapping of BW and strict */
elink_status = elink_ets_e3b0_cli_map(params, ets_params,
cos_sp_bitmap,
cos_bw_bitmap);
if (elink_status != ELINK_STATUS_OK) {
ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config SP failed\n");
return elink_status;
}
return ELINK_STATUS_OK;
}
static void elink_ets_bw_limit_common(const struct elink_params *params)
{
/* ETS disabled configuration */
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P0(sc, "ETS enabled BW limit configuration\n");
/* Defines which entries (clients) are subjected to WFQ arbitration
* COS0 0x8
* COS1 0x10
*/
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
/* Mapping between the ARB_CREDIT_WEIGHT registers and actual
* client numbers (WEIGHT_0 does not actually have to represent
* client 0)
* PRI4 | PRI3 | PRI2 | PRI1 | PRI0
* cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
*/
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
/* ETS mode enabled*/
REG_WR(sc, PBF_REG_ETS_ENABLED, 1);
/* Defines the number of consecutive slots for the strict priority */
REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
* as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
* entry, 4 - COS1 entry.
* COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
* bit4 bit3 bit2 bit1 bit0
* MCP and debug are strict
*/
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
REG_WR(sc, PBF_REG_COS0_UPPER_BOUND,
ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
REG_WR(sc, PBF_REG_COS1_UPPER_BOUND,
ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
}
void elink_ets_bw_limit(const struct elink_params *params, const uint32_t cos0_bw,
const uint32_t cos1_bw)
{
/* ETS disabled configuration*/
struct bxe_softc *sc = params->sc;
const uint32_t total_bw = cos0_bw + cos1_bw;
uint32_t cos0_credit_weight = 0;
uint32_t cos1_credit_weight = 0;
ELINK_DEBUG_P0(sc, "ETS enabled BW limit configuration\n");
if ((!total_bw) ||
(!cos0_bw) ||
(!cos1_bw)) {
ELINK_DEBUG_P0(sc, "Total BW can't be zero\n");
return;
}
cos0_credit_weight = (cos0_bw * ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT)/
total_bw;
cos1_credit_weight = (cos1_bw * ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT)/
total_bw;
elink_ets_bw_limit_common(params);
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
REG_WR(sc, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
REG_WR(sc, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
}
elink_status_t elink_ets_strict(const struct elink_params *params, const uint8_t strict_cos)
{
/* ETS disabled configuration*/
struct bxe_softc *sc = params->sc;
uint32_t val = 0;
ELINK_DEBUG_P0(sc, "ETS enabled strict configuration\n");
/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
* as strict. Bits 0,1,2 - debug and management entries,
* 3 - COS0 entry, 4 - COS1 entry.
* COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
* bit4 bit3 bit2 bit1 bit0
* MCP and debug are strict
*/
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
/* For strict priority entries defines the number of consecutive slots
* for the highest priority.
*/
REG_WR(sc, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
/* ETS mode disable */
REG_WR(sc, PBF_REG_ETS_ENABLED, 0);
/* Defines the number of consecutive slots for the strict priority */
REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
/* Defines the number of consecutive slots for the strict priority */
REG_WR(sc, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
/* Mapping between entry priority to client number (0,1,2 -debug and
* management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
* 3bits client num.
* PRI4 | PRI3 | PRI2 | PRI1 | PRI0
* dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
* dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
*/
val = (!strict_cos) ? 0x2318 : 0x22E0;
REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
return ELINK_STATUS_OK;
}
/******************************************************************/
/* PFC section */
/******************************************************************/
static void elink_update_pfc_xmac(struct elink_params *params,
struct elink_vars *vars,
uint8_t is_lb)
{
struct bxe_softc *sc = params->sc;
uint32_t xmac_base;
uint32_t pause_val, pfc0_val, pfc1_val;
/* XMAC base adrr */
xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
/* Initialize pause and pfc registers */
pause_val = 0x18000;
pfc0_val = 0xFFFF8000;
pfc1_val = 0x2;
/* No PFC support */
if (!(params->feature_config_flags &
ELINK_FEATURE_CONFIG_PFC_ENABLED)) {
/* RX flow control - Process pause frame in receive direction
*/
if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
/* TX flow control - Send pause packet when buffer is full */
if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
} else {/* PFC support */
pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
/* Write pause and PFC registers */
REG_WR(sc, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
}
/* Write pause and PFC registers */
REG_WR(sc, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
/* Set MAC address for source TX Pause/PFC frames */
REG_WR(sc, xmac_base + XMAC_REG_CTRL_SA_LO,
((params->mac_addr[2] << 24) |
(params->mac_addr[3] << 16) |
(params->mac_addr[4] << 8) |
(params->mac_addr[5])));
REG_WR(sc, xmac_base + XMAC_REG_CTRL_SA_HI,
((params->mac_addr[0] << 8) |
(params->mac_addr[1])));
DELAY(30);
}
static void elink_emac_get_pfc_stat(struct elink_params *params,
uint32_t pfc_frames_sent[2],
uint32_t pfc_frames_received[2])
{
/* Read pfc statistic */
struct bxe_softc *sc = params->sc;
uint32_t emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
uint32_t val_xon = 0;
uint32_t val_xoff = 0;
ELINK_DEBUG_P0(sc, "pfc statistic read from EMAC\n");
/* PFC received frames */
val_xoff = REG_RD(sc, emac_base +
EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
val_xon = REG_RD(sc, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
pfc_frames_received[0] = val_xon + val_xoff;
/* PFC received sent */
val_xoff = REG_RD(sc, emac_base +
EMAC_REG_RX_PFC_STATS_XOFF_SENT);
val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
val_xon = REG_RD(sc, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
pfc_frames_sent[0] = val_xon + val_xoff;
}
/* Read pfc statistic*/
void elink_pfc_statistic(struct elink_params *params, struct elink_vars *vars,
uint32_t pfc_frames_sent[2],
uint32_t pfc_frames_received[2])
{
/* Read pfc statistic */
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P0(sc, "pfc statistic\n");
if (!vars->link_up)
return;
if (vars->mac_type == ELINK_MAC_TYPE_EMAC) {
ELINK_DEBUG_P0(sc, "About to read PFC stats from EMAC\n");
elink_emac_get_pfc_stat(params, pfc_frames_sent,
pfc_frames_received);
}
}
/******************************************************************/
/* MAC/PBF section */
/******************************************************************/
static void elink_set_mdio_clk(struct bxe_softc *sc, uint32_t chip_id,
uint32_t emac_base)
{
uint32_t new_mode, cur_mode;
uint32_t clc_cnt;
/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
* (a value of 49==0x31) and make sure that the AUTO poll is off
*/
cur_mode = REG_RD(sc, emac_base + EMAC_REG_EMAC_MDIO_MODE);
if (USES_WARPCORE(sc))
clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
else
clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
(cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
return;
new_mode = cur_mode &
~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
new_mode |= clc_cnt;
new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
ELINK_DEBUG_P2(sc, "Changing emac_mode from 0x%x to 0x%x\n",
cur_mode, new_mode);
REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
DELAY(40);
}
static void elink_set_mdio_emac_per_phy(struct bxe_softc *sc,
struct elink_params *params)
{
uint8_t phy_index;
/* Set mdio clock per phy */
for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
phy_index++)
elink_set_mdio_clk(sc, params->chip_id,
params->phy[phy_index].mdio_ctrl);
}
static uint8_t elink_is_4_port_mode(struct bxe_softc *sc)
{
uint32_t port4mode_ovwr_val;
/* Check 4-port override enabled */
port4mode_ovwr_val = REG_RD(sc, MISC_REG_PORT4MODE_EN_OVWR);
if (port4mode_ovwr_val & (1<<0)) {
/* Return 4-port mode override value */
return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
}
/* Return 4-port mode from input pin */
return (uint8_t)REG_RD(sc, MISC_REG_PORT4MODE_EN);
}
static void elink_emac_init(struct elink_params *params,
struct elink_vars *vars)
{
/* reset and unreset the emac core */
struct bxe_softc *sc = params->sc;
uint8_t port = params->port;
uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
uint32_t val;
uint16_t timeout;
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
(MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
DELAY(5);
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
(MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
/* init emac - use read-modify-write */
/* self clear reset */
val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
timeout = 200;
do {
val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
ELINK_DEBUG_P1(sc, "EMAC reset reg is %u\n", val);
if (!timeout) {
ELINK_DEBUG_P0(sc, "EMAC timeout!\n");
return;
}
timeout--;
} while (val & EMAC_MODE_RESET);
elink_set_mdio_emac_per_phy(sc, params);
/* Set mac address */
val = ((params->mac_addr[0] << 8) |
params->mac_addr[1]);
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MAC_MATCH, val);
val = ((params->mac_addr[2] << 24) |
(params->mac_addr[3] << 16) |
(params->mac_addr[4] << 8) |
params->mac_addr[5]);
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MAC_MATCH + 4, val);
}
static void elink_set_xumac_nig(struct elink_params *params,
uint16_t tx_pause_en,
uint8_t enable)
{
struct bxe_softc *sc = params->sc;
REG_WR(sc, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
enable);
REG_WR(sc, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
enable);
REG_WR(sc, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
}
static void elink_set_umac_rxtx(struct elink_params *params, uint8_t en)
{
uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
uint32_t val;
struct bxe_softc *sc = params->sc;
if (!(REG_RD(sc, MISC_REG_RESET_REG_2) &
(MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
return;
val = REG_RD(sc, umac_base + UMAC_REG_COMMAND_CONFIG);
if (en)
val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
UMAC_COMMAND_CONFIG_REG_RX_ENA);
else
val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
UMAC_COMMAND_CONFIG_REG_RX_ENA);
/* Disable RX and TX */
REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
}
static void elink_umac_enable(struct elink_params *params,
struct elink_vars *vars, uint8_t lb)
{
uint32_t val;
uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
struct bxe_softc *sc = params->sc;
/* Reset UMAC */
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
(MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
DELAY(1000 * 1);
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
(MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
ELINK_DEBUG_P0(sc, "enabling UMAC\n");
/* This register opens the gate for the UMAC despite its name */
REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
UMAC_COMMAND_CONFIG_REG_PAD_EN |
UMAC_COMMAND_CONFIG_REG_SW_RESET |
UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
switch (vars->line_speed) {
case ELINK_SPEED_10:
val |= (0<<2);
break;
case ELINK_SPEED_100:
val |= (1<<2);
break;
case ELINK_SPEED_1000:
val |= (2<<2);
break;
case ELINK_SPEED_2500:
val |= (3<<2);
break;
default:
ELINK_DEBUG_P1(sc, "Invalid speed for UMAC %d\n",
vars->line_speed);
break;
}
if (!(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
if (!(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
if (vars->duplex == DUPLEX_HALF)
val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
DELAY(50);
/* Configure UMAC for EEE */
if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
ELINK_DEBUG_P0(sc, "configured UMAC for EEE\n");
REG_WR(sc, umac_base + UMAC_REG_UMAC_EEE_CTRL,
UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
REG_WR(sc, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
} else {
REG_WR(sc, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
}
/* Set MAC address for source TX Pause/PFC frames (under SW reset) */
REG_WR(sc, umac_base + UMAC_REG_MAC_ADDR0,
((params->mac_addr[2] << 24) |
(params->mac_addr[3] << 16) |
(params->mac_addr[4] << 8) |
(params->mac_addr[5])));
REG_WR(sc, umac_base + UMAC_REG_MAC_ADDR1,
((params->mac_addr[0] << 8) |
(params->mac_addr[1])));
/* Enable RX and TX */
val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
UMAC_COMMAND_CONFIG_REG_RX_ENA;
REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
DELAY(50);
/* Remove SW Reset */
val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
/* Check loopback mode */
if (lb)
val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
* length used by the MAC receive logic to check frames.
*/
REG_WR(sc, umac_base + UMAC_REG_MAXFR, 0x2710);
elink_set_xumac_nig(params,
((vars->flow_ctrl & ELINK_FLOW_CTRL_TX) != 0), 1);
vars->mac_type = ELINK_MAC_TYPE_UMAC;
}
/* Define the XMAC mode */
static void elink_xmac_init(struct elink_params *params, uint32_t max_speed)
{
struct bxe_softc *sc = params->sc;
uint32_t is_port4mode = elink_is_4_port_mode(sc);
/* In 4-port mode, need to set the mode only once, so if XMAC is
* already out of reset, it means the mode has already been set,
* and it must not* reset the XMAC again, since it controls both
* ports of the path
*/
if (((CHIP_NUM(sc) == CHIP_NUM_57840_4_10) ||
(CHIP_NUM(sc) == CHIP_NUM_57840_2_20) ||
(CHIP_NUM(sc) == CHIP_NUM_57840_OBS)) &&
is_port4mode &&
(REG_RD(sc, MISC_REG_RESET_REG_2) &
MISC_REGISTERS_RESET_REG_2_XMAC)) {
ELINK_DEBUG_P0(sc,
"XMAC already out of reset in 4-port mode\n");
return;
}
/* Hard reset */
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
MISC_REGISTERS_RESET_REG_2_XMAC);
DELAY(1000 * 1);
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
MISC_REGISTERS_RESET_REG_2_XMAC);
if (is_port4mode) {
ELINK_DEBUG_P0(sc, "Init XMAC to 2 ports x 10G per path\n");
/* Set the number of ports on the system side to up to 2 */
REG_WR(sc, MISC_REG_XMAC_CORE_PORT_MODE, 1);
/* Set the number of ports on the Warp Core to 10G */
REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 3);
} else {
/* Set the number of ports on the system side to 1 */
REG_WR(sc, MISC_REG_XMAC_CORE_PORT_MODE, 0);
if (max_speed == ELINK_SPEED_10000) {
ELINK_DEBUG_P0(sc,
"Init XMAC to 10G x 1 port per path\n");
/* Set the number of ports on the Warp Core to 10G */
REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 3);
} else {
ELINK_DEBUG_P0(sc,
"Init XMAC to 20G x 2 ports per path\n");
/* Set the number of ports on the Warp Core to 20G */
REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 1);
}
}
/* Soft reset */
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
DELAY(1000 * 1);
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
}
static void elink_set_xmac_rxtx(struct elink_params *params, uint8_t en)
{
uint8_t port = params->port;
struct bxe_softc *sc = params->sc;
uint32_t pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
uint32_t val;
if (REG_RD(sc, MISC_REG_RESET_REG_2) &
MISC_REGISTERS_RESET_REG_2_XMAC) {
/* Send an indication to change the state in the NIG back to XON
* Clearing this bit enables the next set of this bit to get
* rising edge
*/
pfc_ctrl = REG_RD(sc, xmac_base + XMAC_REG_PFC_CTRL_HI);
REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI,
(pfc_ctrl & ~(1<<1)));
REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI,
(pfc_ctrl | (1<<1)));
ELINK_DEBUG_P1(sc, "Disable XMAC on port %x\n", port);
val = REG_RD(sc, xmac_base + XMAC_REG_CTRL);
if (en)
val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
else
val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
REG_WR(sc, xmac_base + XMAC_REG_CTRL, val);
}
}
static elink_status_t elink_xmac_enable(struct elink_params *params,
struct elink_vars *vars, uint8_t lb)
{
uint32_t val, xmac_base;
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P0(sc, "enabling XMAC\n");
xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
elink_xmac_init(params, vars->line_speed);
/* This register determines on which events the MAC will assert
* error on the i/f to the NIG along w/ EOP.
*/
/* This register tells the NIG whether to send traffic to UMAC
* or XMAC
*/
REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
/* When XMAC is in XLGMII mode, disable sending idles for fault
* detection.
*/
if (!(params->phy[ELINK_INT_PHY].flags & ELINK_FLAGS_TX_ERROR_CHECK)) {
REG_WR(sc, xmac_base + XMAC_REG_RX_LSS_CTRL,
(XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
REG_WR(sc, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
REG_WR(sc, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
}
/* Set Max packet size */
REG_WR(sc, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
/* CRC append for Tx packets */
REG_WR(sc, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
/* update PFC */
elink_update_pfc_xmac(params, vars, 0);
if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
ELINK_DEBUG_P0(sc, "Setting XMAC for EEE\n");
REG_WR(sc, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
REG_WR(sc, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
} else {
REG_WR(sc, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
}
/* Enable TX and RX */
val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
/* Set MAC in XLGMII mode for dual-mode */
if ((vars->line_speed == ELINK_SPEED_20000) &&
(params->phy[ELINK_INT_PHY].supported &
ELINK_SUPPORTED_20000baseKR2_Full))
val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
/* Check loopback mode */
if (lb)
val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
REG_WR(sc, xmac_base + XMAC_REG_CTRL, val);
elink_set_xumac_nig(params,
((vars->flow_ctrl & ELINK_FLOW_CTRL_TX) != 0), 1);
vars->mac_type = ELINK_MAC_TYPE_XMAC;
return ELINK_STATUS_OK;
}
static elink_status_t elink_emac_enable(struct elink_params *params,
struct elink_vars *vars, uint8_t lb)
{
struct bxe_softc *sc = params->sc;
uint8_t port = params->port;
uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
uint32_t val;
ELINK_DEBUG_P0(sc, "enabling EMAC\n");
/* Disable BMAC */
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
/* enable emac and not bmac */
REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
#ifdef ELINK_INCLUDE_EMUL
/* for paladium */
if (CHIP_REV_IS_EMUL(sc)) {
/* Use lane 1 (of lanes 0-3) */
REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
}
/* for fpga */
else
#endif
#ifdef ELINK_INCLUDE_FPGA
if (CHIP_REV_IS_FPGA(sc)) {
/* Use lane 1 (of lanes 0-3) */
ELINK_DEBUG_P0(sc, "elink_emac_enable: Setting FPGA\n");
REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
} else
#endif
/* ASIC */
if (vars->phy_flags & PHY_XGXS_FLAG) {
uint32_t ser_lane = ((params->lane_config &
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
ELINK_DEBUG_P0(sc, "XGXS\n");
/* select the master lanes (out of 0-3) */
REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
/* select XGXS */
REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
} else { /* SerDes */
ELINK_DEBUG_P0(sc, "SerDes\n");
/* select SerDes */
REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
}
elink_bits_en(sc, emac_base + EMAC_REG_EMAC_RX_MODE,
EMAC_RX_MODE_RESET);
elink_bits_en(sc, emac_base + EMAC_REG_EMAC_TX_MODE,
EMAC_TX_MODE_RESET);
#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
if (CHIP_REV_IS_SLOW(sc)) {
/* config GMII mode */
val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
} else { /* ASIC */
#endif
/* pause enable/disable */
elink_bits_dis(sc, emac_base + EMAC_REG_EMAC_RX_MODE,
EMAC_RX_MODE_FLOW_EN);
elink_bits_dis(sc, emac_base + EMAC_REG_EMAC_TX_MODE,
(EMAC_TX_MODE_EXT_PAUSE_EN |
EMAC_TX_MODE_FLOW_EN));
if (!(params->feature_config_flags &
ELINK_FEATURE_CONFIG_PFC_ENABLED)) {
if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
elink_bits_en(sc, emac_base +
EMAC_REG_EMAC_RX_MODE,
EMAC_RX_MODE_FLOW_EN);
if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
elink_bits_en(sc, emac_base +
EMAC_REG_EMAC_TX_MODE,
(EMAC_TX_MODE_EXT_PAUSE_EN |
EMAC_TX_MODE_FLOW_EN));
} else
elink_bits_en(sc, emac_base + EMAC_REG_EMAC_TX_MODE,
EMAC_TX_MODE_FLOW_EN);
#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
}
#endif
/* KEEP_VLAN_TAG, promiscuous */
val = REG_RD(sc, emac_base + EMAC_REG_EMAC_RX_MODE);
val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
/* Setting this bit causes MAC control frames (except for pause
* frames) to be passed on for processing. This setting has no
* affect on the operation of the pause frames. This bit effects
* all packets regardless of RX Parser packet sorting logic.
* Turn the PFC off to make sure we are in Xon state before
* enabling it.
*/
elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_MODE, 0);
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) {
ELINK_DEBUG_P0(sc, "PFC is enabled\n");
/* Enable PFC again */
elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_MODE,
EMAC_REG_RX_PFC_MODE_RX_EN |
EMAC_REG_RX_PFC_MODE_TX_EN |
EMAC_REG_RX_PFC_MODE_PRIORITIES);
elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_PARAM,
((0x0101 <<
EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
(0x00ff <<
EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
}
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_RX_MODE, val);
/* Set Loopback */
val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
if (lb)
val |= 0x810;
else
val &= ~0x810;
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE, val);
/* Enable emac */
REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 1);
/* Enable emac for jumbo packets */
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_RX_MTU_SIZE,
(EMAC_RX_MTU_SIZE_JUMBO_ENA |
(ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD)));
/* Strip CRC */
REG_WR(sc, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
/* Disable the NIG in/out to the bmac */
REG_WR(sc, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
/* Enable the NIG in/out to the emac */
REG_WR(sc, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
val = 0;
if ((params->feature_config_flags &
ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
val = 1;
REG_WR(sc, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
#ifdef ELINK_INCLUDE_EMUL
if (CHIP_REV_IS_EMUL(sc)) {
/* Take the BigMac out of reset */
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
/* Enable access for bmac registers */
REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
} else
#endif
REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
vars->mac_type = ELINK_MAC_TYPE_EMAC;
return ELINK_STATUS_OK;
}
static void elink_update_pfc_bmac1(struct elink_params *params,
struct elink_vars *vars)
{
uint32_t wb_data[2];
struct bxe_softc *sc = params->sc;
uint32_t bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
NIG_REG_INGRESS_BMAC0_MEM;
uint32_t val = 0x14;
if ((!(params->feature_config_flags &
ELINK_FEATURE_CONFIG_PFC_ENABLED)) &&
(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
/* Enable BigMAC to react on received Pause packets */
val |= (1<<5);
wb_data[0] = val;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
/* TX control */
val = 0xc0;
if (!(params->feature_config_flags &
ELINK_FEATURE_CONFIG_PFC_ENABLED) &&
(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
val |= 0x800000;
wb_data[0] = val;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
}
static void elink_update_pfc_bmac2(struct elink_params *params,
struct elink_vars *vars,
uint8_t is_lb)
{
/* Set rx control: Strip CRC and enable BigMAC to relay
* control packets to the system as well
*/
uint32_t wb_data[2];
struct bxe_softc *sc = params->sc;
uint32_t bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
NIG_REG_INGRESS_BMAC0_MEM;
uint32_t val = 0x14;
if ((!(params->feature_config_flags &
ELINK_FEATURE_CONFIG_PFC_ENABLED)) &&
(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
/* Enable BigMAC to react on received Pause packets */
val |= (1<<5);
wb_data[0] = val;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
DELAY(30);
/* Tx control */
val = 0xc0;
if (!(params->feature_config_flags &
ELINK_FEATURE_CONFIG_PFC_ENABLED) &&
(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
val |= 0x800000;
wb_data[0] = val;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) {
ELINK_DEBUG_P0(sc, "PFC is enabled\n");
/* Enable PFC RX & TX & STATS and set 8 COS */
wb_data[0] = 0x0;
wb_data[0] |= (1<<0); /* RX */
wb_data[0] |= (1<<1); /* TX */
wb_data[0] |= (1<<2); /* Force initial Xon */
wb_data[0] |= (1<<3); /* 8 cos */
wb_data[0] |= (1<<5); /* STATS */
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
wb_data, 2);
/* Clear the force Xon */
wb_data[0] &= ~(1<<2);
} else {
ELINK_DEBUG_P0(sc, "PFC is disabled\n");
/* Disable PFC RX & TX & STATS and set 8 COS */
wb_data[0] = 0x8;
wb_data[1] = 0;
}
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
/* Set Time (based unit is 512 bit time) between automatic
* re-sending of PP packets amd enable automatic re-send of
* Per-Priroity Packet as long as pp_gen is asserted and
* pp_disable is low.
*/
val = 0x8000;
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
val |= (1<<16); /* enable automatic re-send */
wb_data[0] = val;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
wb_data, 2);
/* mac control */
val = 0x3; /* Enable RX and TX */
if (is_lb) {
val |= 0x4; /* Local loopback */
ELINK_DEBUG_P0(sc, "enable bmac loopback\n");
}
/* When PFC enabled, Pass pause frames towards the NIG. */
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
val |= ((1<<6)|(1<<5));
wb_data[0] = val;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
}
/******************************************************************************
* Description:
* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
******************************************************************************/
static elink_status_t elink_pfc_nig_rx_priority_mask(struct bxe_softc *sc,
uint8_t cos_entry,
uint32_t priority_mask, uint8_t port)
{
uint32_t nig_reg_rx_priority_mask_add = 0;
switch (cos_entry) {
case 0:
nig_reg_rx_priority_mask_add = (port) ?
NIG_REG_P1_RX_COS0_PRIORITY_MASK :
NIG_REG_P0_RX_COS0_PRIORITY_MASK;
break;
case 1:
nig_reg_rx_priority_mask_add = (port) ?
NIG_REG_P1_RX_COS1_PRIORITY_MASK :
NIG_REG_P0_RX_COS1_PRIORITY_MASK;
break;
case 2:
nig_reg_rx_priority_mask_add = (port) ?
NIG_REG_P1_RX_COS2_PRIORITY_MASK :
NIG_REG_P0_RX_COS2_PRIORITY_MASK;
break;
case 3:
if (port)
return ELINK_STATUS_ERROR;
nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
break;
case 4:
if (port)
return ELINK_STATUS_ERROR;
nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
break;
case 5:
if (port)
return ELINK_STATUS_ERROR;
nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
break;
}
REG_WR(sc, nig_reg_rx_priority_mask_add, priority_mask);
return ELINK_STATUS_OK;
}
static void elink_update_mng(struct elink_params *params, uint32_t link_status)
{
struct bxe_softc *sc = params->sc;
REG_WR(sc, params->shmem_base +
offsetof(struct shmem_region,
port_mb[params->port].link_status), link_status);
}
static void elink_update_link_attr(struct elink_params *params, uint32_t link_attr)
{
struct bxe_softc *sc = params->sc;
if (SHMEM2_HAS(sc, link_attr_sync))
REG_WR(sc, params->shmem2_base +
offsetof(struct shmem2_region,
link_attr_sync[params->port]), link_attr);
}
static void elink_update_pfc_nig(struct elink_params *params,
struct elink_vars *vars,
struct elink_nig_brb_pfc_port_params *nig_params)
{
uint32_t xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
uint32_t llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
uint32_t pkt_priority_to_cos = 0;
struct bxe_softc *sc = params->sc;
uint8_t port = params->port;
int set_pfc = params->feature_config_flags &
ELINK_FEATURE_CONFIG_PFC_ENABLED;
ELINK_DEBUG_P0(sc, "updating pfc nig parameters\n");
/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
* MAC control frames (that are not pause packets)
* will be forwarded to the XCM.
*/
xcm_mask = REG_RD(sc, port ? NIG_REG_LLH1_XCM_MASK :
NIG_REG_LLH0_XCM_MASK);
/* NIG params will override non PFC params, since it's possible to
* do transition from PFC to SAFC
*/
if (set_pfc) {
pause_enable = 0;
llfc_out_en = 0;
llfc_enable = 0;
if (CHIP_IS_E3(sc))
ppp_enable = 0;
else
ppp_enable = 1;
xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
xcm_out_en = 0;
hwpfc_enable = 1;
} else {
if (nig_params) {
llfc_out_en = nig_params->llfc_out_en;
llfc_enable = nig_params->llfc_enable;
pause_enable = nig_params->pause_enable;
} else /* Default non PFC mode - PAUSE */
pause_enable = 1;
xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
xcm_out_en = 1;
}
if (CHIP_IS_E3(sc))
REG_WR(sc, port ? NIG_REG_BRB1_PAUSE_IN_EN :
NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
REG_WR(sc, port ? NIG_REG_LLFC_OUT_EN_1 :
NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
REG_WR(sc, port ? NIG_REG_LLFC_ENABLE_1 :
NIG_REG_LLFC_ENABLE_0, llfc_enable);
REG_WR(sc, port ? NIG_REG_PAUSE_ENABLE_1 :
NIG_REG_PAUSE_ENABLE_0, pause_enable);
REG_WR(sc, port ? NIG_REG_PPP_ENABLE_1 :
NIG_REG_PPP_ENABLE_0, ppp_enable);
REG_WR(sc, port ? NIG_REG_LLH1_XCM_MASK :
NIG_REG_LLH0_XCM_MASK, xcm_mask);
REG_WR(sc, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
/* Output enable for RX_XCM # IF */
REG_WR(sc, port ? NIG_REG_XCM1_OUT_EN :
NIG_REG_XCM0_OUT_EN, xcm_out_en);
/* HW PFC TX enable */
REG_WR(sc, port ? NIG_REG_P1_HWPFC_ENABLE :
NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
if (nig_params) {
uint8_t i = 0;
pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
elink_pfc_nig_rx_priority_mask(sc, i,
nig_params->rx_cos_priority_mask[i], port);
REG_WR(sc, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
nig_params->llfc_high_priority_classes);
REG_WR(sc, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
nig_params->llfc_low_priority_classes);
}
REG_WR(sc, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
NIG_REG_P0_PKT_PRIORITY_TO_COS,
pkt_priority_to_cos);
}
elink_status_t elink_update_pfc(struct elink_params *params,
struct elink_vars *vars,
struct elink_nig_brb_pfc_port_params *pfc_params)
{
/* The PFC and pause are orthogonal to one another, meaning when
* PFC is enabled, the pause are disabled, and when PFC is
* disabled, pause are set according to the pause result.
*/
uint32_t val;
struct bxe_softc *sc = params->sc;
elink_status_t elink_status = ELINK_STATUS_OK;
uint8_t bmac_loopback = (params->loopback_mode == ELINK_LOOPBACK_BMAC);
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
vars->link_status |= LINK_STATUS_PFC_ENABLED;
else
vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
elink_update_mng(params, vars->link_status);
/* Update NIG params */
elink_update_pfc_nig(params, vars, pfc_params);
if (!vars->link_up)
return elink_status;
ELINK_DEBUG_P0(sc, "About to update PFC in BMAC\n");
if (CHIP_IS_E3(sc)) {
if (vars->mac_type == ELINK_MAC_TYPE_XMAC)
elink_update_pfc_xmac(params, vars, 0);
} else {
val = REG_RD(sc, MISC_REG_RESET_REG_2);
if ((val &
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
== 0) {
ELINK_DEBUG_P0(sc, "About to update PFC in EMAC\n");
elink_emac_enable(params, vars, 0);
return elink_status;
}
if (CHIP_IS_E2(sc))
elink_update_pfc_bmac2(params, vars, bmac_loopback);
else
elink_update_pfc_bmac1(params, vars);
val = 0;
if ((params->feature_config_flags &
ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
val = 1;
REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
}
return elink_status;
}
static elink_status_t elink_bmac1_enable(struct elink_params *params,
struct elink_vars *vars,
uint8_t is_lb)
{
struct bxe_softc *sc = params->sc;
uint8_t port = params->port;
uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
NIG_REG_INGRESS_BMAC0_MEM;
uint32_t wb_data[2];
uint32_t val;
ELINK_DEBUG_P0(sc, "Enabling BigMAC1\n");
/* XGXS control */
wb_data[0] = 0x3c;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
wb_data, 2);
/* TX MAC SA */
wb_data[0] = ((params->mac_addr[2] << 24) |
(params->mac_addr[3] << 16) |
(params->mac_addr[4] << 8) |
params->mac_addr[5]);
wb_data[1] = ((params->mac_addr[0] << 8) |
params->mac_addr[1]);
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
/* MAC control */
val = 0x3;
if (is_lb) {
val |= 0x4;
ELINK_DEBUG_P0(sc, "enable bmac loopback\n");
}
wb_data[0] = val;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
/* Set rx mtu */
wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
elink_update_pfc_bmac1(params, vars);
/* Set tx mtu */
wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
/* Set cnt max size */
wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
/* Configure SAFC */
wb_data[0] = 0x1000200;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
wb_data, 2);
#ifdef ELINK_INCLUDE_EMUL
/* Fix for emulation */
if (CHIP_REV_IS_EMUL(sc)) {
wb_data[0] = 0xf000;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
wb_data, 2);
}
#endif
return ELINK_STATUS_OK;
}
static elink_status_t elink_bmac2_enable(struct elink_params *params,
struct elink_vars *vars,
uint8_t is_lb)
{
struct bxe_softc *sc = params->sc;
uint8_t port = params->port;
uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
NIG_REG_INGRESS_BMAC0_MEM;
uint32_t wb_data[2];
ELINK_DEBUG_P0(sc, "Enabling BigMAC2\n");
wb_data[0] = 0;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
DELAY(30);
/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
wb_data[0] = 0x3c;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
wb_data, 2);
DELAY(30);
/* TX MAC SA */
wb_data[0] = ((params->mac_addr[2] << 24) |
(params->mac_addr[3] << 16) |
(params->mac_addr[4] << 8) |
params->mac_addr[5]);
wb_data[1] = ((params->mac_addr[0] << 8) |
params->mac_addr[1]);
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
wb_data, 2);
DELAY(30);
/* Configure SAFC */
wb_data[0] = 0x1000200;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
wb_data, 2);
DELAY(30);
/* Set RX MTU */
wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
DELAY(30);
/* Set TX MTU */
wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
DELAY(30);
/* Set cnt max size */
wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD - 2;
wb_data[1] = 0;
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
DELAY(30);
elink_update_pfc_bmac2(params, vars, is_lb);
return ELINK_STATUS_OK;
}
static elink_status_t elink_bmac_enable(struct elink_params *params,
struct elink_vars *vars,
uint8_t is_lb, uint8_t reset_bmac)
{
elink_status_t rc = ELINK_STATUS_OK;
uint8_t port = params->port;
struct bxe_softc *sc = params->sc;
uint32_t val;
/* Reset and unreset the BigMac */
if (reset_bmac) {
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
DELAY(1000 * 1);
}
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
/* Enable access for bmac registers */
REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
/* Enable BMAC according to BMAC type*/
if (CHIP_IS_E2(sc))
rc = elink_bmac2_enable(params, vars, is_lb);
else
rc = elink_bmac1_enable(params, vars, is_lb);
REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
val = 0;
if ((params->feature_config_flags &
ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
val = 1;
REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
REG_WR(sc, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
REG_WR(sc, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
REG_WR(sc, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
vars->mac_type = ELINK_MAC_TYPE_BMAC;
return rc;
}
static void elink_set_bmac_rx(struct bxe_softc *sc, uint32_t chip_id, uint8_t port, uint8_t en)
{
uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
NIG_REG_INGRESS_BMAC0_MEM;
uint32_t wb_data[2];
uint32_t nig_bmac_enable = REG_RD(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
if (CHIP_IS_E2(sc))
bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
else
bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
/* Only if the bmac is out of reset */
if (REG_RD(sc, MISC_REG_RESET_REG_2) &
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
nig_bmac_enable) {
/* Clear Rx Enable bit in BMAC_CONTROL register */
REG_RD_DMAE(sc, bmac_addr, wb_data, 2);
if (en)
wb_data[0] |= ELINK_BMAC_CONTROL_RX_ENABLE;
else
wb_data[0] &= ~ELINK_BMAC_CONTROL_RX_ENABLE;
REG_WR_DMAE(sc, bmac_addr, wb_data, 2);
DELAY(1000 * 1);
}
}
static elink_status_t elink_pbf_update(struct elink_params *params, uint32_t flow_ctrl,
uint32_t line_speed)
{
struct bxe_softc *sc = params->sc;
uint8_t port = params->port;
uint32_t init_crd, crd;
uint32_t count = 1000;
/* Disable port */
REG_WR(sc, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
/* Wait for init credit */
init_crd = REG_RD(sc, PBF_REG_P0_INIT_CRD + port*4);
crd = REG_RD(sc, PBF_REG_P0_CREDIT + port*8);
ELINK_DEBUG_P2(sc, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
while ((init_crd != crd) && count) {
DELAY(1000 * 5);
crd = REG_RD(sc, PBF_REG_P0_CREDIT + port*8);
count--;
}
crd = REG_RD(sc, PBF_REG_P0_CREDIT + port*8);
if (init_crd != crd) {
ELINK_DEBUG_P2(sc, "BUG! init_crd 0x%x != crd 0x%x\n",
init_crd, crd);
return ELINK_STATUS_ERROR;
}
if (flow_ctrl & ELINK_FLOW_CTRL_RX ||
line_speed == ELINK_SPEED_10 ||
line_speed == ELINK_SPEED_100 ||
line_speed == ELINK_SPEED_1000 ||
line_speed == ELINK_SPEED_2500) {
REG_WR(sc, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
/* Update threshold */
REG_WR(sc, PBF_REG_P0_ARB_THRSH + port*4, 0);
/* Update init credit */
init_crd = 778; /* (800-18-4) */
} else {
uint32_t thresh = (ELINK_ETH_MAX_JUMBO_PACKET_SIZE +
ELINK_ETH_OVREHEAD)/16;
REG_WR(sc, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
/* Update threshold */
REG_WR(sc, PBF_REG_P0_ARB_THRSH + port*4, thresh);
/* Update init credit */
switch (line_speed) {
case ELINK_SPEED_10000:
init_crd = thresh + 553 - 22;
break;
default:
ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x\n",
line_speed);
return ELINK_STATUS_ERROR;
}
}
REG_WR(sc, PBF_REG_P0_INIT_CRD + port*4, init_crd);
ELINK_DEBUG_P2(sc, "PBF updated to speed %d credit %d\n",
line_speed, init_crd);
/* Probe the credit changes */
REG_WR(sc, PBF_REG_INIT_P0 + port*4, 0x1);
DELAY(1000 * 5);
REG_WR(sc, PBF_REG_INIT_P0 + port*4, 0x0);
/* Enable port */
REG_WR(sc, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
return ELINK_STATUS_OK;
}
/**
* elink_get_emac_base - retrive emac base address
*
* @bp: driver handle
* @mdc_mdio_access: access type
* @port: port id
*
* This function selects the MDC/MDIO access (through emac0 or
* emac1) depend on the mdc_mdio_access, port, port swapped. Each
* phy has a default access mode, which could also be overridden
* by nvram configuration. This parameter, whether this is the
* default phy configuration, or the nvram overrun
* configuration, is passed here as mdc_mdio_access and selects
* the emac_base for the CL45 read/writes operations
*/
static uint32_t elink_get_emac_base(struct bxe_softc *sc,
uint32_t mdc_mdio_access, uint8_t port)
{
uint32_t emac_base = 0;
switch (mdc_mdio_access) {
case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
break;
case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
if (REG_RD(sc, NIG_REG_PORT_SWAP))
emac_base = GRCBASE_EMAC1;
else
emac_base = GRCBASE_EMAC0;
break;
case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
if (REG_RD(sc, NIG_REG_PORT_SWAP))
emac_base = GRCBASE_EMAC0;
else
emac_base = GRCBASE_EMAC1;
break;
case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
break;
case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
break;
default:
break;
}
return emac_base;
}
/******************************************************************/
/* CL22 access functions */
/******************************************************************/
static elink_status_t elink_cl22_write(struct bxe_softc *sc,
struct elink_phy *phy,
uint16_t reg, uint16_t val)
{
uint32_t tmp, mode;
uint8_t i;
elink_status_t rc = ELINK_STATUS_OK;
/* Switch to CL22 */
mode = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
mode & ~EMAC_MDIO_MODE_CLAUSE_45);
/* Address */
tmp = ((phy->addr << 21) | (reg << 16) | val |
EMAC_MDIO_COMM_COMMAND_WRITE_22 |
EMAC_MDIO_COMM_START_BUSY);
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
for (i = 0; i < 50; i++) {
DELAY(10);
tmp = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
DELAY(5);
break;
}
}
if (tmp & EMAC_MDIO_COMM_START_BUSY) {
ELINK_DEBUG_P0(sc, "write phy register failed\n");
rc = ELINK_STATUS_TIMEOUT;
}
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
return rc;
}
static elink_status_t elink_cl22_read(struct bxe_softc *sc,
struct elink_phy *phy,
uint16_t reg, uint16_t *ret_val)
{
uint32_t val, mode;
uint16_t i;
elink_status_t rc = ELINK_STATUS_OK;
/* Switch to CL22 */
mode = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
mode & ~EMAC_MDIO_MODE_CLAUSE_45);
/* Address */
val = ((phy->addr << 21) | (reg << 16) |
EMAC_MDIO_COMM_COMMAND_READ_22 |
EMAC_MDIO_COMM_START_BUSY);
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
for (i = 0; i < 50; i++) {
DELAY(10);
val = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
*ret_val = (uint16_t)(val & EMAC_MDIO_COMM_DATA);
DELAY(5);
break;
}
}
if (val & EMAC_MDIO_COMM_START_BUSY) {
ELINK_DEBUG_P0(sc, "read phy register failed\n");
*ret_val = 0;
rc = ELINK_STATUS_TIMEOUT;
}
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
return rc;
}
/******************************************************************/
/* CL45 access functions */
/******************************************************************/
static elink_status_t elink_cl45_read(struct bxe_softc *sc, struct elink_phy *phy,
uint8_t devad, uint16_t reg, uint16_t *ret_val)
{
uint32_t val;
uint16_t i;
elink_status_t rc = ELINK_STATUS_OK;
uint32_t chip_id;
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_G) {
chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) |
((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12);
elink_set_mdio_clk(sc, chip_id, phy->mdio_ctrl);
}
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
elink_bits_en(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
EMAC_MDIO_STATUS_10MB);
/* Address */
val = ((phy->addr << 21) | (devad << 16) | reg |
EMAC_MDIO_COMM_COMMAND_ADDRESS |
EMAC_MDIO_COMM_START_BUSY);
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
for (i = 0; i < 50; i++) {
DELAY(10);
val = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
DELAY(5);
break;
}
}
if (val & EMAC_MDIO_COMM_START_BUSY) {
ELINK_DEBUG_P0(sc, "read phy register failed\n");
elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"
*ret_val = 0;
rc = ELINK_STATUS_TIMEOUT;
} else {
/* Data */
val = ((phy->addr << 21) | (devad << 16) |
EMAC_MDIO_COMM_COMMAND_READ_45 |
EMAC_MDIO_COMM_START_BUSY);
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
for (i = 0; i < 50; i++) {
DELAY(10);
val = REG_RD(sc, phy->mdio_ctrl +
EMAC_REG_EMAC_MDIO_COMM);
if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
*ret_val = (uint16_t)(val & EMAC_MDIO_COMM_DATA);
break;
}
}
if (val & EMAC_MDIO_COMM_START_BUSY) {
ELINK_DEBUG_P0(sc, "read phy register failed\n");
elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"
*ret_val = 0;
rc = ELINK_STATUS_TIMEOUT;
}
}
/* Work around for E3 A0 */
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA) {
phy->flags ^= ELINK_FLAGS_DUMMY_READ;
if (phy->flags & ELINK_FLAGS_DUMMY_READ) {
uint16_t temp_val;
elink_cl45_read(sc, phy, devad, 0xf, &temp_val);
}
}
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
elink_bits_dis(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
EMAC_MDIO_STATUS_10MB);
return rc;
}
static elink_status_t elink_cl45_write(struct bxe_softc *sc, struct elink_phy *phy,
uint8_t devad, uint16_t reg, uint16_t val)
{
uint32_t tmp;
uint8_t i;
elink_status_t rc = ELINK_STATUS_OK;
uint32_t chip_id;
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_G) {
chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) |
((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12);
elink_set_mdio_clk(sc, chip_id, phy->mdio_ctrl);
}
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
elink_bits_en(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
EMAC_MDIO_STATUS_10MB);
/* Address */
tmp = ((phy->addr << 21) | (devad << 16) | reg |
EMAC_MDIO_COMM_COMMAND_ADDRESS |
EMAC_MDIO_COMM_START_BUSY);
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
for (i = 0; i < 50; i++) {
DELAY(10);
tmp = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
DELAY(5);
break;
}
}
if (tmp & EMAC_MDIO_COMM_START_BUSY) {
ELINK_DEBUG_P0(sc, "write phy register failed\n");
elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"
rc = ELINK_STATUS_TIMEOUT;
} else {
/* Data */
tmp = ((phy->addr << 21) | (devad << 16) | val |
EMAC_MDIO_COMM_COMMAND_WRITE_45 |
EMAC_MDIO_COMM_START_BUSY);
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
for (i = 0; i < 50; i++) {
DELAY(10);
tmp = REG_RD(sc, phy->mdio_ctrl +
EMAC_REG_EMAC_MDIO_COMM);
if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
DELAY(5);
break;
}
}
if (tmp & EMAC_MDIO_COMM_START_BUSY) {
ELINK_DEBUG_P0(sc, "write phy register failed\n");
elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"
rc = ELINK_STATUS_TIMEOUT;
}
}
/* Work around for E3 A0 */
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA) {
phy->flags ^= ELINK_FLAGS_DUMMY_READ;
if (phy->flags & ELINK_FLAGS_DUMMY_READ) {
uint16_t temp_val;
elink_cl45_read(sc, phy, devad, 0xf, &temp_val);
}
}
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
elink_bits_dis(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
EMAC_MDIO_STATUS_10MB);
return rc;
}
/******************************************************************/
/* EEE section */
/******************************************************************/
static uint8_t elink_eee_has_cap(struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
if (REG_RD(sc, params->shmem2_base) <=
offsetof(struct shmem2_region, eee_status[params->port]))
return 0;
return 1;
}
static elink_status_t elink_eee_nvram_to_time(uint32_t nvram_mode, uint32_t *idle_timer)
{
switch (nvram_mode) {
case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
*idle_timer = ELINK_EEE_MODE_NVRAM_BALANCED_TIME;
break;
case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
*idle_timer = ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME;
break;
case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
*idle_timer = ELINK_EEE_MODE_NVRAM_LATENCY_TIME;
break;
default:
*idle_timer = 0;
break;
}
return ELINK_STATUS_OK;
}
static elink_status_t elink_eee_time_to_nvram(uint32_t idle_timer, uint32_t *nvram_mode)
{
switch (idle_timer) {
case ELINK_EEE_MODE_NVRAM_BALANCED_TIME:
*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
break;
case ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME:
*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
break;
case ELINK_EEE_MODE_NVRAM_LATENCY_TIME:
*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
break;
default:
*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
break;
}
return ELINK_STATUS_OK;
}
static uint32_t elink_eee_calc_timer(struct elink_params *params)
{
uint32_t eee_mode, eee_idle;
struct bxe_softc *sc = params->sc;
if (params->eee_mode & ELINK_EEE_MODE_OVERRIDE_NVRAM) {
if (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME) {
/* time value in eee_mode --> used directly*/
eee_idle = params->eee_mode & ELINK_EEE_MODE_TIMER_MASK;
} else {
/* hsi value in eee_mode --> time */
if (elink_eee_nvram_to_time(params->eee_mode &
ELINK_EEE_MODE_NVRAM_MASK,
&eee_idle))
return 0;
}
} else {
/* hsi values in nvram --> time*/
eee_mode = ((REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_feature_config[params->port].
eee_power_mode)) &
PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
if (elink_eee_nvram_to_time(eee_mode, &eee_idle))
return 0;
}
return eee_idle;
}
static elink_status_t elink_eee_set_timers(struct elink_params *params,
struct elink_vars *vars)
{
uint32_t eee_idle = 0, eee_mode;
struct bxe_softc *sc = params->sc;
eee_idle = elink_eee_calc_timer(params);
if (eee_idle) {
REG_WR(sc, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
eee_idle);
} else if ((params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI) &&
(params->eee_mode & ELINK_EEE_MODE_OVERRIDE_NVRAM) &&
(params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME)) {
ELINK_DEBUG_P0(sc, "Error: Tx LPI is enabled with timer 0\n");
return ELINK_STATUS_ERROR;
}
vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
if (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME) {
/* eee_idle in 1u --> eee_status in 16u */
eee_idle >>= 4;
vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
SHMEM_EEE_TIME_OUTPUT_BIT;
} else {
if (elink_eee_time_to_nvram(eee_idle, &eee_mode))
return ELINK_STATUS_ERROR;
vars->eee_status |= eee_mode;
}
return ELINK_STATUS_OK;
}
static elink_status_t elink_eee_initial_config(struct elink_params *params,
struct elink_vars *vars, uint8_t mode)
{
vars->eee_status |= ((uint32_t) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
/* Propogate params' bits --> vars (for migration exposure) */
if (params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)
vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
else
vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
if (params->eee_mode & ELINK_EEE_MODE_ADV_LPI)
vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
else
vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
return elink_eee_set_timers(params, vars);
}
static elink_status_t elink_eee_disable(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
/* Make Certain LPI is disabled */
REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
return ELINK_STATUS_OK;
}
static elink_status_t elink_eee_advertise(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars, uint8_t modes)
{
struct bxe_softc *sc = params->sc;
uint16_t val = 0;
/* Mask events preventing LPI generation */
REG_WR(sc, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
if (modes & SHMEM_EEE_10G_ADV) {
ELINK_DEBUG_P0(sc, "Advertise 10GBase-T EEE\n");
val |= 0x8;
}
if (modes & SHMEM_EEE_1G_ADV) {
ELINK_DEBUG_P0(sc, "Advertise 1GBase-T EEE\n");
val |= 0x4;
}
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
return ELINK_STATUS_OK;
}
static void elink_update_mng_eee(struct elink_params *params, uint32_t eee_status)
{
struct bxe_softc *sc = params->sc;
if (elink_eee_has_cap(params))
REG_WR(sc, params->shmem2_base +
offsetof(struct shmem2_region,
eee_status[params->port]), eee_status);
}
static void elink_eee_an_resolve(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint16_t adv = 0, lp = 0;
uint32_t lp_adv = 0;
uint8_t neg = 0;
elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
if (lp & 0x2) {
lp_adv |= SHMEM_EEE_100M_ADV;
if (adv & 0x2) {
if (vars->line_speed == ELINK_SPEED_100)
neg = 1;
ELINK_DEBUG_P0(sc, "EEE negotiated - 100M\n");
}
}
if (lp & 0x14) {
lp_adv |= SHMEM_EEE_1G_ADV;
if (adv & 0x14) {
if (vars->line_speed == ELINK_SPEED_1000)
neg = 1;
ELINK_DEBUG_P0(sc, "EEE negotiated - 1G\n");
}
}
if (lp & 0x68) {
lp_adv |= SHMEM_EEE_10G_ADV;
if (adv & 0x68) {
if (vars->line_speed == ELINK_SPEED_10000)
neg = 1;
ELINK_DEBUG_P0(sc, "EEE negotiated - 10G\n");
}
}
vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
if (neg) {
ELINK_DEBUG_P0(sc, "EEE is active\n");
vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
}
}
/******************************************************************/
/* BSC access functions from E3 */
/******************************************************************/
static void elink_bsc_module_sel(struct elink_params *params)
{
int idx;
uint32_t board_cfg, sfp_ctrl;
uint32_t i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
struct bxe_softc *sc = params->sc;
uint8_t port = params->port;
/* Read I2C output PINs */
board_cfg = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.shared_hw_config.board));
i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
/* Read I2C output value */
sfp_ctrl = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].e3_cmn_pin_cfg));
i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
ELINK_DEBUG_P0(sc, "Setting BSC switch\n");
for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
elink_set_cfg_pin(sc, i2c_pins[idx], i2c_val[idx]);
}
static elink_status_t elink_bsc_read(struct elink_params *params,
struct bxe_softc *sc,
uint8_t sl_devid,
uint16_t sl_addr,
uint8_t lc_addr,
uint8_t xfer_cnt,
uint32_t *data_array)
{
uint32_t val, i;
elink_status_t rc = ELINK_STATUS_OK;
if (xfer_cnt > 16) {
ELINK_DEBUG_P1(sc, "invalid xfer_cnt %d. Max is 16 bytes\n",
xfer_cnt);
return ELINK_STATUS_ERROR;
}
if (params)
elink_bsc_module_sel(params);
xfer_cnt = 16 - lc_addr;
/* Enable the engine */
val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
val |= MCPR_IMC_COMMAND_ENABLE;
REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val);
/* Program slave device ID */
val = (sl_devid << 16) | sl_addr;
REG_WR(sc, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
/* Start xfer with 0 byte to update the address pointer ???*/
val = (MCPR_IMC_COMMAND_ENABLE) |
(MCPR_IMC_COMMAND_WRITE_OP <<
MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val);
/* Poll for completion */
i = 0;
val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
DELAY(10);
val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
if (i++ > 1000) {
ELINK_DEBUG_P1(sc, "wr 0 byte timed out after %d try\n",
i);
rc = ELINK_STATUS_TIMEOUT;
break;
}
}
if (rc == ELINK_STATUS_TIMEOUT)
return rc;
/* Start xfer with read op */
val = (MCPR_IMC_COMMAND_ENABLE) |
(MCPR_IMC_COMMAND_READ_OP <<
MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
(xfer_cnt);
REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val);
/* Poll for completion */
i = 0;
val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
DELAY(10);
val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
if (i++ > 1000) {
ELINK_DEBUG_P1(sc, "rd op timed out after %d try\n", i);
rc = ELINK_STATUS_TIMEOUT;
break;
}
}
if (rc == ELINK_STATUS_TIMEOUT)
return rc;
for (i = (lc_addr >> 2); i < 4; i++) {
data_array[i] = REG_RD(sc, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
#ifdef __BIG_ENDIAN
data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
((data_array[i] & 0x0000ff00) << 8) |
((data_array[i] & 0x00ff0000) >> 8) |
((data_array[i] & 0xff000000) >> 24);
#endif
}
return rc;
}
static void elink_cl45_read_or_write(struct bxe_softc *sc, struct elink_phy *phy,
uint8_t devad, uint16_t reg, uint16_t or_val)
{
uint16_t val;
elink_cl45_read(sc, phy, devad, reg, &val);
elink_cl45_write(sc, phy, devad, reg, val | or_val);
}
static void elink_cl45_read_and_write(struct bxe_softc *sc,
struct elink_phy *phy,
uint8_t devad, uint16_t reg, uint16_t and_val)
{
uint16_t val;
elink_cl45_read(sc, phy, devad, reg, &val);
elink_cl45_write(sc, phy, devad, reg, val & and_val);
}
elink_status_t elink_phy_read(struct elink_params *params, uint8_t phy_addr,
uint8_t devad, uint16_t reg, uint16_t *ret_val)
{
uint8_t phy_index;
/* Probe for the phy according to the given phy_addr, and execute
* the read request on it
*/
for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
if (params->phy[phy_index].addr == phy_addr) {
return elink_cl45_read(params->sc,
&params->phy[phy_index], devad,
reg, ret_val);
}
}
return ELINK_STATUS_ERROR;
}
elink_status_t elink_phy_write(struct elink_params *params, uint8_t phy_addr,
uint8_t devad, uint16_t reg, uint16_t val)
{
uint8_t phy_index;
/* Probe for the phy according to the given phy_addr, and execute
* the write request on it
*/
for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
if (params->phy[phy_index].addr == phy_addr) {
return elink_cl45_write(params->sc,
&params->phy[phy_index], devad,
reg, val);
}
}
return ELINK_STATUS_ERROR;
}
static uint8_t elink_get_warpcore_lane(struct elink_phy *phy,
struct elink_params *params)
{
uint8_t lane = 0;
struct bxe_softc *sc = params->sc;
uint32_t path_swap, path_swap_ovr;
uint8_t path, port;
path = SC_PATH(sc);
port = params->port;
if (elink_is_4_port_mode(sc)) {
uint32_t port_swap, port_swap_ovr;
/* Figure out path swap value */
path_swap_ovr = REG_RD(sc, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
if (path_swap_ovr & 0x1)
path_swap = (path_swap_ovr & 0x2);
else
path_swap = REG_RD(sc, MISC_REG_FOUR_PORT_PATH_SWAP);
if (path_swap)
path = path ^ 1;
/* Figure out port swap value */
port_swap_ovr = REG_RD(sc, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
if (port_swap_ovr & 0x1)
port_swap = (port_swap_ovr & 0x2);
else
port_swap = REG_RD(sc, MISC_REG_FOUR_PORT_PORT_SWAP);
if (port_swap)
port = port ^ 1;
lane = (port<<1) + path;
} else { /* Two port mode - no port swap */
/* Figure out path swap value */
path_swap_ovr =
REG_RD(sc, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
if (path_swap_ovr & 0x1) {
path_swap = (path_swap_ovr & 0x2);
} else {
path_swap =
REG_RD(sc, MISC_REG_TWO_PORT_PATH_SWAP);
}
if (path_swap)
path = path ^ 1;
lane = path << 1 ;
}
return lane;
}
static void elink_set_aer_mmd(struct elink_params *params,
struct elink_phy *phy)
{
uint32_t ser_lane;
uint16_t offset, aer_val;
struct bxe_softc *sc = params->sc;
ser_lane = ((params->lane_config &
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
(phy->addr + ser_lane) : 0;
if (USES_WARPCORE(sc)) {
aer_val = elink_get_warpcore_lane(phy, params);
/* In Dual-lane mode, two lanes are joined together,
* so in order to configure them, the AER broadcast method is
* used here.
* 0x200 is the broadcast address for lanes 0,1
* 0x201 is the broadcast address for lanes 2,3
*/
if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
aer_val = (aer_val >> 1) | 0x200;
} else if (CHIP_IS_E2(sc))
aer_val = 0x3800 + offset - 1;
else
aer_val = 0x3800 + offset;
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, aer_val);
}
/******************************************************************/
/* Internal phy section */
/******************************************************************/
static void elink_set_serdes_access(struct bxe_softc *sc, uint8_t port)
{
uint32_t emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
/* Set Clause 22 */
REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
DELAY(500);
REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
DELAY(500);
/* Set Clause 45 */
REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
}
static void elink_serdes_deassert(struct bxe_softc *sc, uint8_t port)
{
uint32_t val;
ELINK_DEBUG_P0(sc, "elink_serdes_deassert\n");
val = ELINK_SERDES_RESET_BITS << (port*16);
/* Reset and unreset the SerDes/XGXS */
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
DELAY(500);
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
elink_set_serdes_access(sc, port);
REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
ELINK_DEFAULT_PHY_DEV_ADDR);
}
static void elink_xgxs_specific_func(struct elink_phy *phy,
struct elink_params *params,
uint32_t action)
{
struct bxe_softc *sc = params->sc;
switch (action) {
case ELINK_PHY_INIT:
/* Set correct devad */
REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
phy->def_md_devad);
break;
}
}
static void elink_xgxs_deassert(struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint8_t port;
uint32_t val;
ELINK_DEBUG_P0(sc, "elink_xgxs_deassert\n");
port = params->port;
val = ELINK_XGXS_RESET_BITS << (port*16);
/* Reset and unreset the SerDes/XGXS */
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
DELAY(500);
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
elink_xgxs_specific_func(&params->phy[ELINK_INT_PHY], params,
ELINK_PHY_INIT);
}
static void elink_calc_ieee_aneg_adv(struct elink_phy *phy,
struct elink_params *params, uint16_t *ieee_fc)
{
struct bxe_softc *sc = params->sc;
*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
/* Resolve pause mode and advertisement Please refer to Table
* 28B-3 of the 802.3ab-1999 spec
*/
switch (phy->req_flow_ctrl) {
case ELINK_FLOW_CTRL_AUTO:
switch (params->req_fc_auto_adv) {
case ELINK_FLOW_CTRL_BOTH:
*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
break;
case ELINK_FLOW_CTRL_RX:
case ELINK_FLOW_CTRL_TX:
*ieee_fc |=
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
break;
default:
break;
}
break;
case ELINK_FLOW_CTRL_TX:
*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
break;
case ELINK_FLOW_CTRL_RX:
case ELINK_FLOW_CTRL_BOTH:
*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
break;
case ELINK_FLOW_CTRL_NONE:
default:
*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
break;
}
ELINK_DEBUG_P1(sc, "ieee_fc = 0x%x\n", *ieee_fc);
}
static void set_phy_vars(struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint8_t actual_phy_idx, phy_index, link_cfg_idx;
uint8_t phy_config_swapped = params->multi_phy_config &
PORT_HW_CFG_PHY_SWAPPED_ENABLED;
for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
phy_index++) {
link_cfg_idx = ELINK_LINK_CONFIG_IDX(phy_index);
actual_phy_idx = phy_index;
if (phy_config_swapped) {
if (phy_index == ELINK_EXT_PHY1)
actual_phy_idx = ELINK_EXT_PHY2;
else if (phy_index == ELINK_EXT_PHY2)
actual_phy_idx = ELINK_EXT_PHY1;
}
params->phy[actual_phy_idx].req_flow_ctrl =
params->req_flow_ctrl[link_cfg_idx];
params->phy[actual_phy_idx].req_line_speed =
params->req_line_speed[link_cfg_idx];
params->phy[actual_phy_idx].speed_cap_mask =
params->speed_cap_mask[link_cfg_idx];
params->phy[actual_phy_idx].req_duplex =
params->req_duplex[link_cfg_idx];
if (params->req_line_speed[link_cfg_idx] ==
ELINK_SPEED_AUTO_NEG)
vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
ELINK_DEBUG_P3(sc, "req_flow_ctrl %x, req_line_speed %x,"
" speed_cap_mask %x\n",
params->phy[actual_phy_idx].req_flow_ctrl,
params->phy[actual_phy_idx].req_line_speed,
params->phy[actual_phy_idx].speed_cap_mask);
}
}
static void elink_ext_phy_set_pause(struct elink_params *params,
struct elink_phy *phy,
struct elink_vars *vars)
{
uint16_t val;
struct bxe_softc *sc = params->sc;
/* Read modify write pause advertizing */
elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
if ((vars->ieee_fc &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
}
if ((vars->ieee_fc &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
}
ELINK_DEBUG_P1(sc, "Ext phy AN advertize 0x%x\n", val);
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
}
static void elink_pause_resolve(struct elink_vars *vars, uint32_t pause_result)
{ /* LD LP */
switch (pause_result) { /* ASYM P ASYM P */
case 0xb: /* 1 0 1 1 */
vars->flow_ctrl = ELINK_FLOW_CTRL_TX;
break;
case 0xe: /* 1 1 1 0 */
vars->flow_ctrl = ELINK_FLOW_CTRL_RX;
break;
case 0x5: /* 0 1 0 1 */
case 0x7: /* 0 1 1 1 */
case 0xd: /* 1 1 0 1 */
case 0xf: /* 1 1 1 1 */
vars->flow_ctrl = ELINK_FLOW_CTRL_BOTH;
break;
default:
break;
}
if (pause_result & (1<<0))
vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
if (pause_result & (1<<1))
vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
}
static void elink_ext_phy_update_adv_fc(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
uint16_t ld_pause; /* local */
uint16_t lp_pause; /* link partner */
uint16_t pause_result;
struct bxe_softc *sc = params->sc;
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
elink_cl22_read(sc, phy, 0x4, &ld_pause);
elink_cl22_read(sc, phy, 0x5, &lp_pause);
} else if (CHIP_IS_E3(sc) &&
ELINK_SINGLE_MEDIA_DIRECT(params)) {
uint8_t lane = elink_get_warpcore_lane(phy, params);
uint16_t gp_status, gp_mask;
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
&gp_status);
gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
lane;
if ((gp_status & gp_mask) == gp_mask) {
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_ADV_PAUSE, &ld_pause);
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
} else {
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_CL37_FC_LD, &ld_pause);
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_CL37_FC_LP, &lp_pause);
ld_pause = ((ld_pause &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
<< 3);
lp_pause = ((lp_pause &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
<< 3);
}
} else {
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_ADV_PAUSE, &ld_pause);
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
}
pause_result = (ld_pause &
MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
pause_result |= (lp_pause &
MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
ELINK_DEBUG_P1(sc, "Ext PHY pause result 0x%x\n", pause_result);
elink_pause_resolve(vars, pause_result);
}
static uint8_t elink_ext_phy_resolve_fc(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
uint8_t ret = 0;
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
if (phy->req_flow_ctrl != ELINK_FLOW_CTRL_AUTO) {
/* Update the advertised flow-controled of LD/LP in AN */
if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
elink_ext_phy_update_adv_fc(phy, params, vars);
/* But set the flow-control result as the requested one */
vars->flow_ctrl = phy->req_flow_ctrl;
} else if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
vars->flow_ctrl = params->req_fc_auto_adv;
else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
ret = 1;
elink_ext_phy_update_adv_fc(phy, params, vars);
}
return ret;
}
/******************************************************************/
/* Warpcore section */
/******************************************************************/
/* The init_internal_warpcore should mirror the xgxs,
* i.e. reset the lane (if needed), set aer for the
* init configuration, and set/clear SGMII flag. Internal
* phy init is done purely in phy_init stage.
*/
#define WC_TX_DRIVER(post2, idriver, ipre) \
((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
(idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
(ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
#define WC_TX_FIR(post, main, pre) \
((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
(main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
(pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
static void elink_warpcore_enable_AN_KR2(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint16_t i;
static struct elink_reg_set reg_set[] = {
/* Step 1 - Program the TX/RX alignment markers */
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
/* Step 2 - Configure the NP registers */
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
};
ELINK_DEBUG_P0(sc, "Enabling 20G-KR2\n");
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
for (i = 0; i < ARRAY_SIZE(reg_set); i++)
elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
reg_set[i].val);
/* Start KR2 work-around timer which handles BCM8073 link-parner */
vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
elink_update_link_attr(params, vars->link_attr_sync);
}
static void elink_disable_kr2(struct elink_params *params,
struct elink_vars *vars,
struct elink_phy *phy)
{
struct bxe_softc *sc = params->sc;
int i;
static struct elink_reg_set reg_set[] = {
/* Step 1 - Program the TX/RX alignment markers */
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
};
ELINK_DEBUG_P0(sc, "Disabling 20G-KR2\n");
for (i = 0; i < ARRAY_SIZE(reg_set); i++)
elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
reg_set[i].val);
vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
elink_update_link_attr(params, vars->link_attr_sync);
vars->check_kr2_recovery_cnt = ELINK_CHECK_KR2_RECOVERY_CNT;
}
static void elink_warpcore_set_lpi_passthrough(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P0(sc, "Configure WC for LPI pass through\n");
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
}
static void elink_warpcore_restart_AN_KR(struct elink_phy *phy,
struct elink_params *params)
{
/* Restart autoneg on the leading lane only */
struct bxe_softc *sc = params->sc;
uint16_t lane = elink_get_warpcore_lane(phy, params);
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, lane);
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
/* Restore AER */
elink_set_aer_mmd(params, phy);
}
static void elink_warpcore_enable_AN_KR(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars) {
uint16_t lane, i, cl72_ctrl, an_adv = 0;
struct bxe_softc *sc = params->sc;
static struct elink_reg_set reg_set[] = {
{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
{MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
{MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
/* Disable Autoneg: re-enable it after adv is done. */
{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
};
ELINK_DEBUG_P0(sc, "Enable Auto Negotiation for KR\n");
/* Set to default registers that may be overriden by 10G force */
for (i = 0; i < ARRAY_SIZE(reg_set); i++)
elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
reg_set[i].val);
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
cl72_ctrl &= 0x08ff;
cl72_ctrl |= 0x3800;
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
/* Check adding advertisement for 1G KX */
if (((vars->line_speed == ELINK_SPEED_AUTO_NEG) &&
(phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
(vars->line_speed == ELINK_SPEED_1000)) {
uint16_t addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
an_adv |= (1<<5);
/* Enable CL37 1G Parallel Detect */
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, addr, 0x1);
ELINK_DEBUG_P0(sc, "Advertize 1G\n");
}
if (((vars->line_speed == ELINK_SPEED_AUTO_NEG) &&
(phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
(vars->line_speed == ELINK_SPEED_10000)) {
/* Check adding advertisement for 10G KR */
an_adv |= (1<<7);
/* Enable 10G Parallel Detect */
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, 0);
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
elink_set_aer_mmd(params, phy);
ELINK_DEBUG_P0(sc, "Advertize 10G\n");
}
/* Set Transmit PMD settings */
lane = elink_get_warpcore_lane(phy, params);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
WC_TX_DRIVER(0x02, 0x06, 0x09));
/* Configure the next lane if dual mode */
if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
WC_TX_DRIVER(0x02, 0x06, 0x09));
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
0x03f0);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
0x03f0);
/* Advertised speeds */
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
/* Advertised and set FEC (Forward Error Correction) */
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
(MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
/* Enable CL37 BAM */
if (REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_hw_config[params->port].default_cfg)) &
PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
1);
ELINK_DEBUG_P0(sc, "Enable CL37 BAM on KR\n");
}
/* Advertise pause */
elink_ext_phy_set_pause(params, phy, vars);
vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
/* Over 1G - AN local device user page 1 */
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
(phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
(phy->req_line_speed == ELINK_SPEED_20000)) {
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, lane);
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
(1<<11));
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
elink_set_aer_mmd(params, phy);
elink_warpcore_enable_AN_KR2(phy, params, vars);
} else {
/* Enable Auto-Detect to support 1G over CL37 as well */
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
/* Force cl48 sync_status LOW to avoid getting stuck in CL73
* parallel-detect loop when CL73 and CL37 are enabled.
*/
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, 0);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI, 0x0800);
elink_set_aer_mmd(params, phy);
elink_disable_kr2(params, vars, phy);
}
/* Enable Autoneg: only on the main lane */
elink_warpcore_restart_AN_KR(phy, params);
}
static void elink_warpcore_set_10G_KR(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint16_t val16, i, lane;
static struct elink_reg_set reg_set[] = {
/* Disable Autoneg */
{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
0x3f00},
{MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
/* Leave cl72 training enable, needed for KR */
{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
};
for (i = 0; i < ARRAY_SIZE(reg_set); i++)
elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
reg_set[i].val);
lane = elink_get_warpcore_lane(phy, params);
/* Global registers */
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, 0);
/* Disable CL36 PCS Tx */
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
val16 &= ~(0x0011 << lane);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
val16 |= (0x0303 << (lane << 1));
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
/* Restore AER */
elink_set_aer_mmd(params, phy);
/* Set speed via PMA/PMD register */
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD,
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD,
MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
/* Enable encoded forced speed */
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
/* Turn TX scramble payload only the 64/66 scrambler */
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX66_CONTROL, 0x9);
/* Turn RX scramble payload only the 64/66 scrambler */
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_CONTROL, 0xF9);
/* Set and clear loopback to cause a reset to 64/66 decoder */
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
}
static void elink_warpcore_set_10G_XFI(struct elink_phy *phy,
struct elink_params *params,
uint8_t is_xfi)
{
struct bxe_softc *sc = params->sc;
uint16_t misc1_val, tap_val, tx_driver_val, lane, val;
uint32_t cfg_tap_val, tx_drv_brdct, tx_equal;
/* Hold rxSeqStart */
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
/* Hold tx_fifo_reset */
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
/* Disable CL73 AN */
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
/* Disable 100FX Enable and Auto-Detect */
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
/* Disable 100FX Idle detect */
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_FX100_CTRL3, 0x0080);
/* Set Block address to Remote PHY & Clear forced_speed[5] */
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
/* Turn off auto-detect & fiber mode */
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
0xFFEE);
/* Set filter_force_link, disable_false_link and parallel_detect */
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
((val | 0x0006) & 0xFFFE));
/* Set XFI / SFI */
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
misc1_val &= ~(0x1f);
if (is_xfi) {
misc1_val |= 0x5;
tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
} else {
cfg_tap_val = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_hw_config[params->port].
sfi_tap_values));
tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
tx_drv_brdct = (cfg_tap_val &
PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
misc1_val |= 0x9;
/* TAP values are controlled by nvram, if value there isn't 0 */
if (tx_equal)
tap_val = (uint16_t)tx_equal;
else
tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
if (tx_drv_brdct)
tx_driver_val = WC_TX_DRIVER(0x03, (uint16_t)tx_drv_brdct,
0x06);
else
tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
}
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
/* Set Transmit PMD settings */
lane = elink_get_warpcore_lane(phy, params);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX_FIR_TAP,
tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
tx_driver_val);
/* Enable fiber mode, enable and invert sig_det */
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
elink_warpcore_set_lpi_passthrough(phy, params);
/* 10G XFI Full Duplex */
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
/* Release tx_fifo_reset */
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
0xFFFE);
/* Release rxSeqStart */
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
}
static void elink_warpcore_set_20G_force_KR2(struct elink_phy *phy,
struct elink_params *params)
{
uint16_t val;
struct bxe_softc *sc = params->sc;
/* Set global registers, so set AER lane to 0 */
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, 0);
/* Disable sequencer */
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
elink_set_aer_mmd(params, phy);
elink_cl45_read_and_write(sc, phy, MDIO_PMA_DEVAD,
MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_CTRL, 0);
/* Turn off CL73 */
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_CL73_USERB0_CTRL, &val);
val &= ~(1<<5);
val |= (1<<6);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_CL73_USERB0_CTRL, val);
/* Set 20G KR2 force speed */
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
val &= ~(3<<14);
val |= (1<<15);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
/* Enable sequencer (over lane 0) */
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, 0);
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
elink_set_aer_mmd(params, phy);
}
static void elink_warpcore_set_20G_DXGXS(struct bxe_softc *sc,
struct elink_phy *phy,
uint16_t lane)
{
/* Rx0 anaRxControl1G */
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
/* Rx2 anaRxControl1G */
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW0, 0xE070);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW1, 0xC0D0);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW2, 0xA0B0);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW3, 0x8090);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
/* Serdes Digital Misc1 */
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
/* Serdes Digital4 Misc3 */
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
/* Set Transmit PMD settings */
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX_FIR_TAP,
(WC_TX_FIR(0x12, 0x2d, 0x00) |
MDIO_WC_REG_TX_FIR_TAP_ENABLE));
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
WC_TX_DRIVER(0x02, 0x02, 0x02));
}
static void elink_warpcore_set_sgmii_speed(struct elink_phy *phy,
struct elink_params *params,
uint8_t fiber_mode,
uint8_t always_autoneg)
{
struct bxe_softc *sc = params->sc;
uint16_t val16, digctrl_kx1, digctrl_kx2;
/* Clear XFI clock comp in non-10G single lane mode. */
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
elink_warpcore_set_lpi_passthrough(phy, params);
if (always_autoneg || phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
/* SGMII Autoneg */
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
0x1000);
ELINK_DEBUG_P0(sc, "set SGMII AUTONEG\n");
} else {
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
val16 &= 0xcebf;
switch (phy->req_line_speed) {
case ELINK_SPEED_10:
break;
case ELINK_SPEED_100:
val16 |= 0x2000;
break;
case ELINK_SPEED_1000:
val16 |= 0x0040;
break;
default:
ELINK_DEBUG_P1(sc,
"Speed not supported: 0x%x\n", phy->req_line_speed);
return;
}
if (phy->req_duplex == DUPLEX_FULL)
val16 |= 0x0100;
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
ELINK_DEBUG_P1(sc, "set SGMII force speed %d\n",
phy->req_line_speed);
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
ELINK_DEBUG_P1(sc, " (readback) %x\n", val16);
}
/* SGMII Slave mode and disable signal detect */
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
if (fiber_mode)
digctrl_kx1 = 1;
else
digctrl_kx1 &= 0xff4a;
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
digctrl_kx1);
/* Turn off parallel detect */
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
(digctrl_kx2 & ~(1<<2)));
/* Re-enable parallel detect */
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
(digctrl_kx2 | (1<<2)));
/* Enable autodet */
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
(digctrl_kx1 | 0x10));
}
static void elink_warpcore_reset_lane(struct bxe_softc *sc,
struct elink_phy *phy,
uint8_t reset)
{
uint16_t val;
/* Take lane out of reset after configuration is finished */
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL5_MISC6, &val);
if (reset)
val |= 0xC000;
else
val &= 0x3FFF;
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL5_MISC6, val);
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL5_MISC6, &val);
}
/* Clear SFI/XFI link settings registers */
static void elink_warpcore_clear_regs(struct elink_phy *phy,
struct elink_params *params,
uint16_t lane)
{
struct bxe_softc *sc = params->sc;
uint16_t i;
static struct elink_reg_set wc_regs[] = {
{MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
0x0195},
{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
0x0007},
{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
0x0002},
{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
{MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
{MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
{MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
};
/* Set XFI clock comp as default. */
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_RX66_CONTROL, (3<<13));
for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
elink_cl45_write(sc, phy, wc_regs[i].devad, wc_regs[i].reg,
wc_regs[i].val);
lane = elink_get_warpcore_lane(phy, params);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
}
static elink_status_t elink_get_mod_abs_int_cfg(struct bxe_softc *sc,
uint32_t chip_id,
uint32_t shmem_base, uint8_t port,
uint8_t *gpio_num, uint8_t *gpio_port)
{
uint32_t cfg_pin;
*gpio_num = 0;
*gpio_port = 0;
if (CHIP_IS_E3(sc)) {
cfg_pin = (REG_RD(sc, shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].e3_sfp_ctrl)) &
PORT_HW_CFG_E3_MOD_ABS_MASK) >>
PORT_HW_CFG_E3_MOD_ABS_SHIFT;
/* Should not happen. This function called upon interrupt
* triggered by GPIO ( since EPIO can only generate interrupts
* to MCP).
* So if this function was called and none of the GPIOs was set,
* it means the shit hit the fan.
*/
if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
(cfg_pin > PIN_CFG_GPIO3_P1)) {
ELINK_DEBUG_P1(sc,
"No cfg pin %x for module detect indication\n",
cfg_pin);
return ELINK_STATUS_ERROR;
}
*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
} else {
*gpio_num = MISC_REGISTERS_GPIO_3;
*gpio_port = port;
}
return ELINK_STATUS_OK;
}
static int elink_is_sfp_module_plugged(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint8_t gpio_num, gpio_port;
uint32_t gpio_val;
if (elink_get_mod_abs_int_cfg(sc, params->chip_id,
params->shmem_base, params->port,
&gpio_num, &gpio_port) != ELINK_STATUS_OK)
return 0;
gpio_val = elink_cb_gpio_read(sc, gpio_num, gpio_port);
/* Call the handling function in case module is detected */
if (gpio_val == 0)
return 1;
else
return 0;
}
static int elink_warpcore_get_sigdet(struct elink_phy *phy,
struct elink_params *params)
{
uint16_t gp2_status_reg0, lane;
struct bxe_softc *sc = params->sc;
lane = elink_get_warpcore_lane(phy, params);
elink_cl45_read(sc, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
&gp2_status_reg0);
return (gp2_status_reg0 >> (8+lane)) & 0x1;
}
static void elink_warpcore_config_runtime(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint32_t serdes_net_if;
uint16_t gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
if (!vars->turn_to_run_wc_rt)
return;
if (vars->rx_tx_asic_rst) {
uint16_t lane = elink_get_warpcore_lane(phy, params);
serdes_net_if = (REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_hw_config[params->port].default_cfg)) &
PORT_HW_CFG_NET_SERDES_IF_MASK);
switch (serdes_net_if) {
case PORT_HW_CFG_NET_SERDES_IF_KR:
/* Do we get link yet? */
elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 0x81d1,
&gp_status1);
lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
/*10G KR*/
lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
if (lnkup_kr || lnkup) {
vars->rx_tx_asic_rst = 0;
} else {
/* Reset the lane to see if link comes up.*/
elink_warpcore_reset_lane(sc, phy, 1);
elink_warpcore_reset_lane(sc, phy, 0);
/* Restart Autoneg */
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
vars->rx_tx_asic_rst--;
ELINK_DEBUG_P1(sc, "0x%x retry left\n",
vars->rx_tx_asic_rst);
}
break;
default:
break;
}
} /*params->rx_tx_asic_rst*/
}
static void elink_warpcore_config_sfi(struct elink_phy *phy,
struct elink_params *params)
{
uint16_t lane = elink_get_warpcore_lane(phy, params);
struct bxe_softc *sc = params->sc;
elink_warpcore_clear_regs(phy, params, lane);
if ((params->req_line_speed[ELINK_LINK_CONFIG_IDX(ELINK_INT_PHY)] ==
ELINK_SPEED_10000) &&
(phy->media_type != ELINK_ETH_PHY_SFP_1G_FIBER)) {
ELINK_DEBUG_P0(sc, "Setting 10G SFI\n");
elink_warpcore_set_10G_XFI(phy, params, 0);
} else {
ELINK_DEBUG_P0(sc, "Setting 1G Fiber\n");
elink_warpcore_set_sgmii_speed(phy, params, 1, 0);
}
}
static void elink_sfp_e3_set_transmitter(struct elink_params *params,
struct elink_phy *phy,
uint8_t tx_en)
{
struct bxe_softc *sc = params->sc;
uint32_t cfg_pin;
uint8_t port = params->port;
cfg_pin = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].e3_sfp_ctrl)) &
PORT_HW_CFG_E3_TX_LASER_MASK;
/* Set the !tx_en since this pin is DISABLE_TX_LASER */
ELINK_DEBUG_P1(sc, "Setting WC TX to %d\n", tx_en);
/* For 20G, the expected pin to be used is 3 pins after the current */
elink_set_cfg_pin(sc, cfg_pin, tx_en ^ 1);
if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
elink_set_cfg_pin(sc, cfg_pin + 3, tx_en ^ 1);
}
static void elink_warpcore_config_init(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint32_t serdes_net_if;
uint8_t fiber_mode;
uint16_t lane = elink_get_warpcore_lane(phy, params);
serdes_net_if = (REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_hw_config[params->port].default_cfg)) &
PORT_HW_CFG_NET_SERDES_IF_MASK);
ELINK_DEBUG_P2(sc, "Begin Warpcore init, link_speed %d, "
"serdes_net_if = 0x%x\n",
vars->line_speed, serdes_net_if);
elink_set_aer_mmd(params, phy);
elink_warpcore_reset_lane(sc, phy, 1);
vars->phy_flags |= PHY_XGXS_FLAG;
if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
(phy->req_line_speed &&
((phy->req_line_speed == ELINK_SPEED_100) ||
(phy->req_line_speed == ELINK_SPEED_10)))) {
vars->phy_flags |= PHY_SGMII_FLAG;
ELINK_DEBUG_P0(sc, "Setting SGMII mode\n");
elink_warpcore_clear_regs(phy, params, lane);
elink_warpcore_set_sgmii_speed(phy, params, 0, 1);
} else {
switch (serdes_net_if) {
case PORT_HW_CFG_NET_SERDES_IF_KR:
/* Enable KR Auto Neg */
if (params->loopback_mode != ELINK_LOOPBACK_EXT)
elink_warpcore_enable_AN_KR(phy, params, vars);
else {
ELINK_DEBUG_P0(sc, "Setting KR 10G-Force\n");
elink_warpcore_set_10G_KR(phy, params, vars);
}
break;
case PORT_HW_CFG_NET_SERDES_IF_XFI:
elink_warpcore_clear_regs(phy, params, lane);
if (vars->line_speed == ELINK_SPEED_10000) {
ELINK_DEBUG_P0(sc, "Setting 10G XFI\n");
elink_warpcore_set_10G_XFI(phy, params, 1);
} else {
if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
ELINK_DEBUG_P0(sc, "1G Fiber\n");
fiber_mode = 1;
} else {
ELINK_DEBUG_P0(sc, "10/100/1G SGMII\n");
fiber_mode = 0;
}
elink_warpcore_set_sgmii_speed(phy,
params,
fiber_mode,
0);
}
break;
case PORT_HW_CFG_NET_SERDES_IF_SFI:
/* Issue Module detection if module is plugged, or
* enabled transmitter to avoid current leakage in case
* no module is connected
*/
if ((params->loopback_mode == ELINK_LOOPBACK_NONE) ||
(params->loopback_mode == ELINK_LOOPBACK_EXT)) {
if (elink_is_sfp_module_plugged(phy, params))
elink_sfp_module_detection(phy, params);
else
elink_sfp_e3_set_transmitter(params,
phy, 1);
}
elink_warpcore_config_sfi(phy, params);
break;
case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
if (vars->line_speed != ELINK_SPEED_20000) {
ELINK_DEBUG_P0(sc, "Speed not supported yet\n");
return;
}
ELINK_DEBUG_P0(sc, "Setting 20G DXGXS\n");
elink_warpcore_set_20G_DXGXS(sc, phy, lane);
/* Issue Module detection */
elink_sfp_module_detection(phy, params);
break;
case PORT_HW_CFG_NET_SERDES_IF_KR2:
if (!params->loopback_mode) {
elink_warpcore_enable_AN_KR(phy, params, vars);
} else {
ELINK_DEBUG_P0(sc, "Setting KR 20G-Force\n");
elink_warpcore_set_20G_force_KR2(phy, params);
}
break;
default:
ELINK_DEBUG_P1(sc,
"Unsupported Serdes Net Interface 0x%x\n",
serdes_net_if);
return;
}
}
/* Take lane out of reset after configuration is finished */
elink_warpcore_reset_lane(sc, phy, 0);
ELINK_DEBUG_P0(sc, "Exit config init\n");
}
static void elink_warpcore_link_reset(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint16_t val16, lane;
elink_sfp_e3_set_transmitter(params, phy, 0);
elink_set_mdio_emac_per_phy(sc, params);
elink_set_aer_mmd(params, phy);
/* Global register */
elink_warpcore_reset_lane(sc, phy, 1);
/* Clear loopback settings (if any) */
/* 10G & 20G */
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
/* Update those 1-copy registers */
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, 0);
/* Enable 1G MDIO (1-copy) */
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
~0x10);
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
lane = elink_get_warpcore_lane(phy, params);
/* Disable CL36 PCS Tx */
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
val16 |= (0x11 << lane);
if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
val16 |= (0x22 << lane);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
val16 &= ~(0x0303 << (lane << 1));
val16 |= (0x0101 << (lane << 1));
if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE) {
val16 &= ~(0x0c0c << (lane << 1));
val16 |= (0x0404 << (lane << 1));
}
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
/* Restore AER */
elink_set_aer_mmd(params, phy);
}
static void elink_set_warpcore_loopback(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint16_t val16;
uint32_t lane;
ELINK_DEBUG_P2(sc, "Setting Warpcore loopback type %x, speed %d\n",
params->loopback_mode, phy->req_line_speed);
if (phy->req_line_speed < ELINK_SPEED_10000 ||
phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) {
/* 10/100/1000/20G-KR2 */
/* Update those 1-copy registers */
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, 0);
/* Enable 1G MDIO (1-copy) */
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
0x10);
/* Set 1G loopback based on lane (1-copy) */
lane = elink_get_warpcore_lane(phy, params);
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
val16 |= (1<<lane);
if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
val16 |= (2<<lane);
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_XGXSBLK1_LANECTRL2,
val16);
/* Switch back to 4-copy registers */
elink_set_aer_mmd(params, phy);
} else {
/* 10G / 20G-DXGXS */
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
0x4000);
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
}
}
static void elink_sync_link(struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint8_t link_10g_plus;
if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
if (vars->link_up) {
ELINK_DEBUG_P0(sc, "phy link up\n");
vars->phy_link_up = 1;
vars->duplex = DUPLEX_FULL;
switch (vars->link_status &
LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
case ELINK_LINK_10THD:
vars->duplex = DUPLEX_HALF;
/* Fall thru */
case ELINK_LINK_10TFD:
vars->line_speed = ELINK_SPEED_10;
break;
case ELINK_LINK_100TXHD:
vars->duplex = DUPLEX_HALF;
/* Fall thru */
case ELINK_LINK_100T4:
case ELINK_LINK_100TXFD:
vars->line_speed = ELINK_SPEED_100;
break;
case ELINK_LINK_1000THD:
vars->duplex = DUPLEX_HALF;
/* Fall thru */
case ELINK_LINK_1000TFD:
vars->line_speed = ELINK_SPEED_1000;
break;
case ELINK_LINK_2500THD:
vars->duplex = DUPLEX_HALF;
/* Fall thru */
case ELINK_LINK_2500TFD:
vars->line_speed = ELINK_SPEED_2500;
break;
case ELINK_LINK_10GTFD:
vars->line_speed = ELINK_SPEED_10000;
break;
case ELINK_LINK_20GTFD:
vars->line_speed = ELINK_SPEED_20000;
break;
default:
break;
}
vars->flow_ctrl = 0;
if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
vars->flow_ctrl |= ELINK_FLOW_CTRL_TX;
if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
vars->flow_ctrl |= ELINK_FLOW_CTRL_RX;
if (!vars->flow_ctrl)
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
if (vars->line_speed &&
((vars->line_speed == ELINK_SPEED_10) ||
(vars->line_speed == ELINK_SPEED_100))) {
vars->phy_flags |= PHY_SGMII_FLAG;
} else {
vars->phy_flags &= ~PHY_SGMII_FLAG;
}
if (vars->line_speed &&
USES_WARPCORE(sc) &&
(vars->line_speed == ELINK_SPEED_1000))
vars->phy_flags |= PHY_SGMII_FLAG;
/* Anything 10 and over uses the bmac */
link_10g_plus = (vars->line_speed >= ELINK_SPEED_10000);
if (link_10g_plus) {
if (USES_WARPCORE(sc))
vars->mac_type = ELINK_MAC_TYPE_XMAC;
else
vars->mac_type = ELINK_MAC_TYPE_BMAC;
} else {
if (USES_WARPCORE(sc))
vars->mac_type = ELINK_MAC_TYPE_UMAC;
else
vars->mac_type = ELINK_MAC_TYPE_EMAC;
}
} else { /* Link down */
ELINK_DEBUG_P0(sc, "phy link down\n");
vars->phy_link_up = 0;
vars->line_speed = 0;
vars->duplex = DUPLEX_FULL;
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
/* Indicate no mac active */
vars->mac_type = ELINK_MAC_TYPE_NONE;
if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
}
}
void elink_link_status_update(struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint8_t port = params->port;
uint32_t sync_offset, media_types;
/* Update PHY configuration */
set_phy_vars(params, vars);
vars->link_status = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
port_mb[port].link_status));
/* Force link UP in non LOOPBACK_EXT loopback mode(s) */
if (params->loopback_mode != ELINK_LOOPBACK_NONE &&
params->loopback_mode != ELINK_LOOPBACK_EXT)
vars->link_status |= LINK_STATUS_LINK_UP;
if (elink_eee_has_cap(params))
vars->eee_status = REG_RD(sc, params->shmem2_base +
offsetof(struct shmem2_region,
eee_status[params->port]));
vars->phy_flags = PHY_XGXS_FLAG;
elink_sync_link(params, vars);
/* Sync media type */
sync_offset = params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].media_type);
media_types = REG_RD(sc, sync_offset);
params->phy[ELINK_INT_PHY].media_type =
(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
params->phy[ELINK_EXT_PHY1].media_type =
(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
params->phy[ELINK_EXT_PHY2].media_type =
(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
ELINK_DEBUG_P1(sc, "media_types = 0x%x\n", media_types);
/* Sync AEU offset */
sync_offset = params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].aeu_int_mask);
vars->aeu_int_mask = REG_RD(sc, sync_offset);
/* Sync PFC status */
if (vars->link_status & LINK_STATUS_PFC_ENABLED)
params->feature_config_flags |=
ELINK_FEATURE_CONFIG_PFC_ENABLED;
else
params->feature_config_flags &=
~ELINK_FEATURE_CONFIG_PFC_ENABLED;
if (SHMEM2_HAS(sc, link_attr_sync))
vars->link_attr_sync = SHMEM2_RD(sc,
link_attr_sync[params->port]);
ELINK_DEBUG_P3(sc, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
ELINK_DEBUG_P3(sc, "line_speed %x duplex %x flow_ctrl 0x%x\n",
vars->line_speed, vars->duplex, vars->flow_ctrl);
}
static void elink_set_master_ln(struct elink_params *params,
struct elink_phy *phy)
{
struct bxe_softc *sc = params->sc;
uint16_t new_master_ln, ser_lane;
ser_lane = ((params->lane_config &
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
/* Set the master_ln for AN */
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_XGXS_BLOCK2,
MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
&new_master_ln);
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_XGXS_BLOCK2 ,
MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
(new_master_ln | ser_lane));
}
static elink_status_t elink_reset_unicore(struct elink_params *params,
struct elink_phy *phy,
uint8_t set_serdes)
{
struct bxe_softc *sc = params->sc;
uint16_t mii_control;
uint16_t i;
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
/* Reset the unicore */
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL,
(mii_control |
MDIO_COMBO_IEEO_MII_CONTROL_RESET));
if (set_serdes)
elink_set_serdes_access(sc, params->port);
/* Wait for the reset to self clear */
for (i = 0; i < ELINK_MDIO_ACCESS_TIMEOUT; i++) {
DELAY(5);
/* The reset erased the previous bank value */
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL,
&mii_control);
if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
DELAY(5);
return ELINK_STATUS_OK;
}
}
elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, params->port); // "Warning: PHY was not initialized,"
// " Port %d\n",
ELINK_DEBUG_P0(sc, "BUG! XGXS is still in reset!\n");
return ELINK_STATUS_ERROR;
}
static void elink_set_swap_lanes(struct elink_params *params,
struct elink_phy *phy)
{
struct bxe_softc *sc = params->sc;
/* Each two bits represents a lane number:
* No swap is 0123 => 0x1b no need to enable the swap
*/
uint16_t rx_lane_swap, tx_lane_swap;
rx_lane_swap = ((params->lane_config &
PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
tx_lane_swap = ((params->lane_config &
PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
if (rx_lane_swap != 0x1b) {
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_XGXS_BLOCK2,
MDIO_XGXS_BLOCK2_RX_LN_SWAP,
(rx_lane_swap |
MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
} else {
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_XGXS_BLOCK2,
MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
}
if (tx_lane_swap != 0x1b) {
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_XGXS_BLOCK2,
MDIO_XGXS_BLOCK2_TX_LN_SWAP,
(tx_lane_swap |
MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
} else {
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_XGXS_BLOCK2,
MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
}
}
static void elink_set_parallel_detection(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint16_t control2;
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
&control2);
if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
else
control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
ELINK_DEBUG_P2(sc, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
phy->speed_cap_mask, control2);
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
control2);
if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
(phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
ELINK_DEBUG_P0(sc, "XGXS\n");
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_10G_PARALLEL_DETECT,
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_10G_PARALLEL_DETECT,
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
&control2);
control2 |=
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_10G_PARALLEL_DETECT,
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
control2);
/* Disable parallel detection of HiG */
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_XGXS_BLOCK2,
MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
}
}
static void elink_set_autoneg(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars,
uint8_t enable_cl73)
{
struct bxe_softc *sc = params->sc;
uint16_t reg_val;
/* CL37 Autoneg */
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
/* CL37 Autoneg Enabled */
if (vars->line_speed == ELINK_SPEED_AUTO_NEG)
reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
else /* CL37 Autoneg Disabled */
reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
/* Enable/Disable Autodetection */
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
if (vars->line_speed == ELINK_SPEED_AUTO_NEG)
reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
else
reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
/* Enable TetonII and BAM autoneg */
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_BAM_NEXT_PAGE,
MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
&reg_val);
if (vars->line_speed == ELINK_SPEED_AUTO_NEG) {
/* Enable BAM aneg Mode and TetonII aneg Mode */
reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
} else {
/* TetonII and BAM Autoneg Disabled */
reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
}
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_BAM_NEXT_PAGE,
MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
reg_val);
if (enable_cl73) {
/* Enable Cl73 FSM status bits */
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_CL73_USERB0,
MDIO_CL73_USERB0_CL73_UCTRL,
0xe);
/* Enable BAM Station Manager*/
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_CL73_USERB0,
MDIO_CL73_USERB0_CL73_BAM_CTRL1,
MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
/* Advertise CL73 link speeds */
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_CL73_IEEEB1,
MDIO_CL73_IEEEB1_AN_ADV2,
&reg_val);
if (phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
if (phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_CL73_IEEEB1,
MDIO_CL73_IEEEB1_AN_ADV2,
reg_val);
/* CL73 Autoneg Enabled */
reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
} else /* CL73 Autoneg Disabled */
reg_val = 0;
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_CL73_IEEEB0,
MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
}
/* Program SerDes, forced speed */
static void elink_program_serdes(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint16_t reg_val;
/* Program duplex, disable autoneg and sgmii*/
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
if (phy->req_duplex == DUPLEX_FULL)
reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
/* Program speed
* - needed only if the speed is greater than 1G (2.5G or 10G)
*/
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_MISC1, &reg_val);
/* Clearing the speed value before setting the right speed */
ELINK_DEBUG_P1(sc, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
if (!((vars->line_speed == ELINK_SPEED_1000) ||
(vars->line_speed == ELINK_SPEED_100) ||
(vars->line_speed == ELINK_SPEED_10))) {
reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
if (vars->line_speed == ELINK_SPEED_10000)
reg_val |=
MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
}
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_MISC1, reg_val);
}
static void elink_set_brcm_cl37_advertisement(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint16_t val = 0;
/* Set extended capabilities */
if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
val |= MDIO_OVER_1G_UP1_2_5G;
if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
val |= MDIO_OVER_1G_UP1_10G;
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_OVER_1G,
MDIO_OVER_1G_UP1, val);
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_OVER_1G,
MDIO_OVER_1G_UP3, 0x400);
}
static void elink_set_ieee_aneg_advertisement(struct elink_phy *phy,
struct elink_params *params,
uint16_t ieee_fc)
{
struct bxe_softc *sc = params->sc;
uint16_t val;
/* For AN, we are always publishing full duplex */
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_CL73_IEEEB1,
MDIO_CL73_IEEEB1_AN_ADV1, &val);
val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_CL73_IEEEB1,
MDIO_CL73_IEEEB1_AN_ADV1, val);
}
static void elink_restart_autoneg(struct elink_phy *phy,
struct elink_params *params,
uint8_t enable_cl73)
{
struct bxe_softc *sc = params->sc;
uint16_t mii_control;
ELINK_DEBUG_P0(sc, "elink_restart_autoneg\n");
/* Enable and restart BAM/CL37 aneg */
if (enable_cl73) {
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_CL73_IEEEB0,
MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
&mii_control);
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_CL73_IEEEB0,
MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
(mii_control |
MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
} else {
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL,
&mii_control);
ELINK_DEBUG_P1(sc,
"elink_restart_autoneg mii_control before = 0x%x\n",
mii_control);
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL,
(mii_control |
MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
}
}
static void elink_initialize_sgmii_process(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint16_t control1;
/* In SGMII mode, the unicore is always slave */
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
&control1);
control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
/* Set sgmii mode (and not fiber) */
control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
control1);
/* If forced speed */
if (!(vars->line_speed == ELINK_SPEED_AUTO_NEG)) {
/* Set speed, disable autoneg */
uint16_t mii_control;
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL,
&mii_control);
mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
switch (vars->line_speed) {
case ELINK_SPEED_100:
mii_control |=
MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
break;
case ELINK_SPEED_1000:
mii_control |=
MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
break;
case ELINK_SPEED_10:
/* There is nothing to set for 10M */
break;
default:
/* Invalid speed for SGMII */
ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x\n",
vars->line_speed);
break;
}
/* Setting the full duplex */
if (phy->req_duplex == DUPLEX_FULL)
mii_control |=
MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_MII_CONTROL,
mii_control);
} else { /* AN mode */
/* Enable and restart AN */
elink_restart_autoneg(phy, params, 0);
}
}
/* Link management
*/
static elink_status_t elink_direct_parallel_detect_used(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint16_t pd_10g, status2_1000x;
if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
return ELINK_STATUS_OK;
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
&status2_1000x);
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
&status2_1000x);
if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
ELINK_DEBUG_P1(sc, "1G parallel detect link on port %d\n",
params->port);
return 1;
}
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_10G_PARALLEL_DETECT,
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
&pd_10g);
if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
ELINK_DEBUG_P1(sc, "10G parallel detect link on port %d\n",
params->port);
return 1;
}
return ELINK_STATUS_OK;
}
static void elink_update_adv_fc(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars,
uint32_t gp_status)
{
uint16_t ld_pause; /* local driver */
uint16_t lp_pause; /* link partner */
uint16_t pause_result;
struct bxe_softc *sc = params->sc;
if ((gp_status &
(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_CL73_IEEEB1,
MDIO_CL73_IEEEB1_AN_ADV1,
&ld_pause);
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_CL73_IEEEB1,
MDIO_CL73_IEEEB1_AN_LP_ADV1,
&lp_pause);
pause_result = (ld_pause &
MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
pause_result |= (lp_pause &
MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
ELINK_DEBUG_P1(sc, "pause_result CL73 0x%x\n", pause_result);
} else {
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
&ld_pause);
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
&lp_pause);
pause_result = (ld_pause &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
pause_result |= (lp_pause &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
ELINK_DEBUG_P1(sc, "pause_result CL37 0x%x\n", pause_result);
}
elink_pause_resolve(vars, pause_result);
}
static void elink_flow_ctrl_resolve(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars,
uint32_t gp_status)
{
struct bxe_softc *sc = params->sc;
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
/* Resolve from gp_status in case of AN complete and not sgmii */
if (phy->req_flow_ctrl != ELINK_FLOW_CTRL_AUTO) {
/* Update the advertised flow-controled of LD/LP in AN */
if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
elink_update_adv_fc(phy, params, vars, gp_status);
/* But set the flow-control result as the requested one */
vars->flow_ctrl = phy->req_flow_ctrl;
} else if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
vars->flow_ctrl = params->req_fc_auto_adv;
else if ((gp_status & ELINK_MDIO_AN_CL73_OR_37_COMPLETE) &&
(!(vars->phy_flags & PHY_SGMII_FLAG))) {
if (elink_direct_parallel_detect_used(phy, params)) {
vars->flow_ctrl = params->req_fc_auto_adv;
return;
}
elink_update_adv_fc(phy, params, vars, gp_status);
}
ELINK_DEBUG_P1(sc, "flow_ctrl 0x%x\n", vars->flow_ctrl);
}
static void elink_check_fallback_to_cl37(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint16_t rx_status, ustat_val, cl37_fsm_received;
ELINK_DEBUG_P0(sc, "elink_check_fallback_to_cl37\n");
/* Step 1: Make sure signal is detected */
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_RX0,
MDIO_RX0_RX_STATUS,
&rx_status);
if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
(MDIO_RX0_RX_STATUS_SIGDET)) {
ELINK_DEBUG_P1(sc, "Signal is not detected. Restoring CL73."
"rx_status(0x80b0) = 0x%x\n", rx_status);
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_CL73_IEEEB0,
MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
return;
}
/* Step 2: Check CL73 state machine */
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_CL73_USERB0,
MDIO_CL73_USERB0_CL73_USTAT1,
&ustat_val);
if ((ustat_val &
(MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
(MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
ELINK_DEBUG_P1(sc, "CL73 state-machine is not stable. "
"ustat_val(0x8371) = 0x%x\n", ustat_val);
return;
}
/* Step 3: Check CL37 Message Pages received to indicate LP
* supports only CL37
*/
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_REMOTE_PHY,
MDIO_REMOTE_PHY_MISC_RX_STATUS,
&cl37_fsm_received);
if ((cl37_fsm_received &
(MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
(MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
ELINK_DEBUG_P1(sc, "No CL37 FSM were received. "
"misc_rx_status(0x8330) = 0x%x\n",
cl37_fsm_received);
return;
}
/* The combined cl37/cl73 fsm state information indicating that
* we are connected to a device which does not support cl73, but
* does support cl37 BAM. In this case we disable cl73 and
* restart cl37 auto-neg
*/
/* Disable CL73 */
CL22_WR_OVER_CL45(sc, phy,
MDIO_REG_BANK_CL73_IEEEB0,
MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
0);
/* Restart CL37 autoneg */
elink_restart_autoneg(phy, params, 0);
ELINK_DEBUG_P0(sc, "Disabling CL73, and restarting CL37 autoneg\n");
}
static void elink_xgxs_an_resolve(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars,
uint32_t gp_status)
{
if (gp_status & ELINK_MDIO_AN_CL73_OR_37_COMPLETE)
vars->link_status |=
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
if (elink_direct_parallel_detect_used(phy, params))
vars->link_status |=
LINK_STATUS_PARALLEL_DETECTION_USED;
}
static elink_status_t elink_get_link_speed_duplex(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars,
uint16_t is_link_up,
uint16_t speed_mask,
uint16_t is_duplex)
{
struct bxe_softc *sc = params->sc;
if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
if (is_link_up) {
ELINK_DEBUG_P0(sc, "phy link up\n");
vars->phy_link_up = 1;
vars->link_status |= LINK_STATUS_LINK_UP;
switch (speed_mask) {
case ELINK_GP_STATUS_10M:
vars->line_speed = ELINK_SPEED_10;
if (is_duplex == DUPLEX_FULL)
vars->link_status |= ELINK_LINK_10TFD;
else
vars->link_status |= ELINK_LINK_10THD;
break;
case ELINK_GP_STATUS_100M:
vars->line_speed = ELINK_SPEED_100;
if (is_duplex == DUPLEX_FULL)
vars->link_status |= ELINK_LINK_100TXFD;
else
vars->link_status |= ELINK_LINK_100TXHD;
break;
case ELINK_GP_STATUS_1G:
case ELINK_GP_STATUS_1G_KX:
vars->line_speed = ELINK_SPEED_1000;
if (is_duplex == DUPLEX_FULL)
vars->link_status |= ELINK_LINK_1000TFD;
else
vars->link_status |= ELINK_LINK_1000THD;
break;
case ELINK_GP_STATUS_2_5G:
vars->line_speed = ELINK_SPEED_2500;
if (is_duplex == DUPLEX_FULL)
vars->link_status |= ELINK_LINK_2500TFD;
else
vars->link_status |= ELINK_LINK_2500THD;
break;
case ELINK_GP_STATUS_5G:
case ELINK_GP_STATUS_6G:
ELINK_DEBUG_P1(sc,
"link speed unsupported gp_status 0x%x\n",
speed_mask);
return ELINK_STATUS_ERROR;
case ELINK_GP_STATUS_10G_KX4:
case ELINK_GP_STATUS_10G_HIG:
case ELINK_GP_STATUS_10G_CX4:
case ELINK_GP_STATUS_10G_KR:
case ELINK_GP_STATUS_10G_SFI:
case ELINK_GP_STATUS_10G_XFI:
vars->line_speed = ELINK_SPEED_10000;
vars->link_status |= ELINK_LINK_10GTFD;
break;
case ELINK_GP_STATUS_20G_DXGXS:
case ELINK_GP_STATUS_20G_KR2:
vars->line_speed = ELINK_SPEED_20000;
vars->link_status |= ELINK_LINK_20GTFD;
break;
default:
ELINK_DEBUG_P1(sc,
"link speed unsupported gp_status 0x%x\n",
speed_mask);
return ELINK_STATUS_ERROR;
}
} else { /* link_down */
ELINK_DEBUG_P0(sc, "phy link down\n");
vars->phy_link_up = 0;
vars->duplex = DUPLEX_FULL;
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
vars->mac_type = ELINK_MAC_TYPE_NONE;
}
ELINK_DEBUG_P2(sc, " phy_link_up %x line_speed %d\n",
vars->phy_link_up, vars->line_speed);
return ELINK_STATUS_OK;
}
static elink_status_t elink_link_settings_status(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint16_t gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
elink_status_t rc = ELINK_STATUS_OK;
/* Read gp_status */
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_GP_STATUS,
MDIO_GP_STATUS_TOP_AN_STATUS1,
&gp_status);
if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
duplex = DUPLEX_FULL;
if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
link_up = 1;
speed_mask = gp_status & ELINK_GP_STATUS_SPEED_MASK;
ELINK_DEBUG_P3(sc, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
gp_status, link_up, speed_mask);
rc = elink_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
duplex);
if (rc == ELINK_STATUS_ERROR)
return rc;
if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
vars->duplex = duplex;
elink_flow_ctrl_resolve(phy, params, vars, gp_status);
if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
elink_xgxs_an_resolve(phy, params, vars,
gp_status);
}
} else { /* Link_down */
if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
ELINK_SINGLE_MEDIA_DIRECT(params)) {
/* Check signal is detected */
elink_check_fallback_to_cl37(phy, params);
}
}
/* Read LP advertised speeds*/
if (ELINK_SINGLE_MEDIA_DIRECT(params) &&
(vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
uint16_t val;
CL22_RD_OVER_CL45(sc, phy, MDIO_REG_BANK_CL73_IEEEB1,
MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
vars->link_status |=
LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
CL22_RD_OVER_CL45(sc, phy, MDIO_REG_BANK_OVER_1G,
MDIO_OVER_1G_LP_UP1, &val);
if (val & MDIO_OVER_1G_UP1_2_5G)
vars->link_status |=
LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
}
ELINK_DEBUG_P3(sc, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
vars->duplex, vars->flow_ctrl, vars->link_status);
return rc;
}
static elink_status_t elink_warpcore_read_status(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint8_t lane;
uint16_t gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
elink_status_t rc = ELINK_STATUS_OK;
lane = elink_get_warpcore_lane(phy, params);
/* Read gp_status */
if ((params->loopback_mode) &&
(phy->flags & ELINK_FLAGS_WC_DUAL_MODE)) {
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
link_up &= 0x1;
} else if ((phy->req_line_speed > ELINK_SPEED_10000) &&
(phy->supported & ELINK_SUPPORTED_20000baseMLD2_Full)) {
uint16_t temp_link_up;
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
1, &temp_link_up);
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
1, &link_up);
ELINK_DEBUG_P2(sc, "PCS RX link status = 0x%x-->0x%x\n",
temp_link_up, link_up);
link_up &= (1<<2);
if (link_up)
elink_ext_phy_resolve_fc(phy, params, vars);
} else {
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_GP2_STATUS_GP_2_1,
&gp_status1);
ELINK_DEBUG_P1(sc, "0x81d1 = 0x%x\n", gp_status1);
/* Check for either KR, 1G, or AN up. */
link_up = ((gp_status1 >> 8) |
(gp_status1 >> 12) |
(gp_status1)) &
(1 << lane);
if (phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) {
uint16_t an_link;
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_STATUS, &an_link);
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_STATUS, &an_link);
link_up |= (an_link & (1<<2));
}
if (link_up && ELINK_SINGLE_MEDIA_DIRECT(params)) {
uint16_t pd, gp_status4;
if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
/* Check Autoneg complete */
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_GP2_STATUS_GP_2_4,
&gp_status4);
if (gp_status4 & ((1<<12)<<lane))
vars->link_status |=
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
/* Check parallel detect used */
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_PAR_DET_10G_STATUS,
&pd);
if (pd & (1<<15))
vars->link_status |=
LINK_STATUS_PARALLEL_DETECTION_USED;
}
elink_ext_phy_resolve_fc(phy, params, vars);
vars->duplex = duplex;
}
}
if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
ELINK_SINGLE_MEDIA_DIRECT(params)) {
uint16_t val;
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_LP_AUTO_NEG2, &val);
if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
vars->link_status |=
LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
if (val & MDIO_OVER_1G_UP1_2_5G)
vars->link_status |=
LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
}
if (lane < 2) {
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
} else {
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
}
ELINK_DEBUG_P2(sc, "lane %d gp_speed 0x%x\n", lane, gp_speed);
if ((lane & 1) == 0)
gp_speed <<= 8;
gp_speed &= 0x3f00;
link_up = !!link_up;
/* Reset the TX FIFO to fix SGMII issue */
rc = elink_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
duplex);
/* In case of KR link down, start up the recovering procedure */
if ((!link_up) && (phy->media_type == ELINK_ETH_PHY_KR) &&
(!(phy->flags & ELINK_FLAGS_WC_DUAL_MODE)))
vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
ELINK_DEBUG_P3(sc, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
vars->duplex, vars->flow_ctrl, vars->link_status);
return rc;
}
static void elink_set_gmii_tx_driver(struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
uint16_t lp_up2;
uint16_t tx_driver;
uint16_t bank;
/* Read precomp */
CL22_RD_OVER_CL45(sc, phy,
MDIO_REG_BANK_OVER_1G,
MDIO_OVER_1G_LP_UP2, &lp_up2);
/* Bits [10:7] at lp_up2, positioned at [15:12] */
lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
if (lp_up2 == 0)
return;
for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
CL22_RD_OVER_CL45(sc, phy,
bank,
MDIO_TX0_TX_DRIVER, &tx_driver);
/* Replace tx_driver bits [15:12] */
if (lp_up2 !=
(tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
tx_driver |= lp_up2;
CL22_WR_OVER_CL45(sc, phy,
bank,
MDIO_TX0_TX_DRIVER, tx_driver);
}
}
}
static elink_status_t elink_emac_program(struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint8_t port = params->port;
uint16_t mode = 0;
ELINK_DEBUG_P0(sc, "setting link speed & duplex\n");
elink_bits_dis(sc, GRCBASE_EMAC0 + port*0x400 +
EMAC_REG_EMAC_MODE,
(EMAC_MODE_25G_MODE |
EMAC_MODE_PORT_MII_10M |
EMAC_MODE_HALF_DUPLEX));
switch (vars->line_speed) {
case ELINK_SPEED_10:
mode |= EMAC_MODE_PORT_MII_10M;
break;
case ELINK_SPEED_100:
mode |= EMAC_MODE_PORT_MII;
break;
case ELINK_SPEED_1000:
mode |= EMAC_MODE_PORT_GMII;
break;
case ELINK_SPEED_2500:
mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
break;
default:
/* 10G not valid for EMAC */
ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x\n",
vars->line_speed);
return ELINK_STATUS_ERROR;
}
if (vars->duplex == DUPLEX_HALF)
mode |= EMAC_MODE_HALF_DUPLEX;
elink_bits_en(sc,
GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
mode);
elink_set_led(params, vars, ELINK_LED_MODE_OPER, vars->line_speed);
return ELINK_STATUS_OK;
}
static void elink_set_preemphasis(struct elink_phy *phy,
struct elink_params *params)
{
uint16_t bank, i = 0;
struct bxe_softc *sc = params->sc;
for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
CL22_WR_OVER_CL45(sc, phy,
bank,
MDIO_RX0_RX_EQ_BOOST,
phy->rx_preemphasis[i]);
}
for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
CL22_WR_OVER_CL45(sc, phy,
bank,
MDIO_TX0_TX_DRIVER,
phy->tx_preemphasis[i]);
}
}
static void elink_xgxs_config_init(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint8_t enable_cl73 = (ELINK_SINGLE_MEDIA_DIRECT(params) ||
(params->loopback_mode == ELINK_LOOPBACK_XGXS));
if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
if (ELINK_SINGLE_MEDIA_DIRECT(params) &&
(params->feature_config_flags &
ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
elink_set_preemphasis(phy, params);
/* Forced speed requested? */
if (vars->line_speed != ELINK_SPEED_AUTO_NEG ||
(ELINK_SINGLE_MEDIA_DIRECT(params) &&
params->loopback_mode == ELINK_LOOPBACK_EXT)) {
ELINK_DEBUG_P0(sc, "not SGMII, no AN\n");
/* Disable autoneg */
elink_set_autoneg(phy, params, vars, 0);
/* Program speed and duplex */
elink_program_serdes(phy, params, vars);
} else { /* AN_mode */
ELINK_DEBUG_P0(sc, "not SGMII, AN\n");
/* AN enabled */
elink_set_brcm_cl37_advertisement(phy, params);
/* Program duplex & pause advertisement (for aneg) */
elink_set_ieee_aneg_advertisement(phy, params,
vars->ieee_fc);
/* Enable autoneg */
elink_set_autoneg(phy, params, vars, enable_cl73);
/* Enable and restart AN */
elink_restart_autoneg(phy, params, enable_cl73);
}
} else { /* SGMII mode */
ELINK_DEBUG_P0(sc, "SGMII\n");
elink_initialize_sgmii_process(phy, params, vars);
}
}
static elink_status_t elink_prepare_xgxs(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
elink_status_t rc;
vars->phy_flags |= PHY_XGXS_FLAG;
if ((phy->req_line_speed &&
((phy->req_line_speed == ELINK_SPEED_100) ||
(phy->req_line_speed == ELINK_SPEED_10))) ||
(!phy->req_line_speed &&
(phy->speed_cap_mask >=
PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
(phy->speed_cap_mask <
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
(phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
vars->phy_flags |= PHY_SGMII_FLAG;
else
vars->phy_flags &= ~PHY_SGMII_FLAG;
elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
elink_set_aer_mmd(params, phy);
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
elink_set_master_ln(params, phy);
rc = elink_reset_unicore(params, phy, 0);
/* Reset the SerDes and wait for reset bit return low */
if (rc != ELINK_STATUS_OK)
return rc;
elink_set_aer_mmd(params, phy);
/* Setting the masterLn_def again after the reset */
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
elink_set_master_ln(params, phy);
elink_set_swap_lanes(params, phy);
}
return rc;
}
static uint16_t elink_wait_reset_complete(struct bxe_softc *sc,
struct elink_phy *phy,
struct elink_params *params)
{
uint16_t cnt, ctrl;
/* Wait for soft reset to get cleared up to 1 sec */
for (cnt = 0; cnt < 1000; cnt++) {
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
elink_cl22_read(sc, phy,
MDIO_PMA_REG_CTRL, &ctrl);
else
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_CTRL, &ctrl);
if (!(ctrl & (1<<15)))
break;
DELAY(1000 * 1);
}
if (cnt == 1000)
elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, params->port); // "Warning: PHY was not initialized,"
// " Port %d\n",
ELINK_DEBUG_P2(sc, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
return cnt;
}
static void elink_link_int_enable(struct elink_params *params)
{
uint8_t port = params->port;
uint32_t mask;
struct bxe_softc *sc = params->sc;
/* Setting the status to report on link up for either XGXS or SerDes */
if (CHIP_IS_E3(sc)) {
mask = ELINK_NIG_MASK_XGXS0_LINK_STATUS;
if (!(ELINK_SINGLE_MEDIA_DIRECT(params)))
mask |= ELINK_NIG_MASK_MI_INT;
} else if (params->switch_cfg == ELINK_SWITCH_CFG_10G) {
mask = (ELINK_NIG_MASK_XGXS0_LINK10G |
ELINK_NIG_MASK_XGXS0_LINK_STATUS);
ELINK_DEBUG_P0(sc, "enabled XGXS interrupt\n");
if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) &&
params->phy[ELINK_INT_PHY].type !=
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
mask |= ELINK_NIG_MASK_MI_INT;
ELINK_DEBUG_P0(sc, "enabled external phy int\n");
}
} else { /* SerDes */
mask = ELINK_NIG_MASK_SERDES0_LINK_STATUS;
ELINK_DEBUG_P0(sc, "enabled SerDes interrupt\n");
if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) &&
params->phy[ELINK_INT_PHY].type !=
PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
mask |= ELINK_NIG_MASK_MI_INT;
ELINK_DEBUG_P0(sc, "enabled external phy int\n");
}
}
elink_bits_en(sc,
NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
mask);
ELINK_DEBUG_P3(sc, "port %x, is_xgxs %x, int_status 0x%x\n", port,
(params->switch_cfg == ELINK_SWITCH_CFG_10G),
REG_RD(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
ELINK_DEBUG_P3(sc, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
REG_RD(sc, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
REG_RD(sc, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
ELINK_DEBUG_P2(sc, " 10G %x, XGXS_LINK %x\n",
REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
}
static void elink_rearm_latch_signal(struct bxe_softc *sc, uint8_t port,
uint8_t exp_mi_int)
{
uint32_t latch_status = 0;
/* Disable the MI INT ( external phy int ) by writing 1 to the
* status register. Link down indication is high-active-signal,
* so in this case we need to write the status to clear the XOR
*/
/* Read Latched signals */
latch_status = REG_RD(sc,
NIG_REG_LATCH_STATUS_0 + port*8);
ELINK_DEBUG_P1(sc, "latch_status = 0x%x\n", latch_status);
/* Handle only those with latched-signal=up.*/
if (exp_mi_int)
elink_bits_en(sc,
NIG_REG_STATUS_INTERRUPT_PORT0
+ port*4,
ELINK_NIG_STATUS_EMAC0_MI_INT);
else
elink_bits_dis(sc,
NIG_REG_STATUS_INTERRUPT_PORT0
+ port*4,
ELINK_NIG_STATUS_EMAC0_MI_INT);
if (latch_status & 1) {
/* For all latched-signal=up : Re-Arm Latch signals */
REG_WR(sc, NIG_REG_LATCH_STATUS_0 + port*8,
(latch_status & 0xfffe) | (latch_status & 1));
}
/* For all latched-signal=up,Write original_signal to status */
}
static void elink_link_int_ack(struct elink_params *params,
struct elink_vars *vars, uint8_t is_10g_plus)
{
struct bxe_softc *sc = params->sc;
uint8_t port = params->port;
uint32_t mask;
/* First reset all status we assume only one line will be
* change at a time
*/
elink_bits_dis(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
(ELINK_NIG_STATUS_XGXS0_LINK10G |
ELINK_NIG_STATUS_XGXS0_LINK_STATUS |
ELINK_NIG_STATUS_SERDES0_LINK_STATUS));
if (vars->phy_link_up) {
if (USES_WARPCORE(sc))
mask = ELINK_NIG_STATUS_XGXS0_LINK_STATUS;
else {
if (is_10g_plus)
mask = ELINK_NIG_STATUS_XGXS0_LINK10G;
else if (params->switch_cfg == ELINK_SWITCH_CFG_10G) {
/* Disable the link interrupt by writing 1 to
* the relevant lane in the status register
*/
uint32_t ser_lane =
((params->lane_config &
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
mask = ((1 << ser_lane) <<
ELINK_NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
} else
mask = ELINK_NIG_STATUS_SERDES0_LINK_STATUS;
}
ELINK_DEBUG_P1(sc, "Ack link up interrupt with mask 0x%x\n",
mask);
elink_bits_en(sc,
NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
mask);
}
}
static elink_status_t elink_format_ver(uint32_t num, uint8_t *str, uint16_t *len)
{
uint8_t *str_ptr = str;
uint32_t mask = 0xf0000000;
uint8_t shift = 8*4;
uint8_t digit;
uint8_t remove_leading_zeros = 1;
if (*len < 10) {
/* Need more than 10chars for this format */
*str_ptr = '\0';
(*len)--;
return ELINK_STATUS_ERROR;
}
while (shift > 0) {
shift -= 4;
digit = ((num & mask) >> shift);
if (digit == 0 && remove_leading_zeros) {
mask = mask >> 4;
continue;
} else if (digit < 0xa)
*str_ptr = digit + '0';
else
*str_ptr = digit - 0xa + 'a';
remove_leading_zeros = 0;
str_ptr++;
(*len)--;
mask = mask >> 4;
if (shift == 4*4) {
*str_ptr = '.';
str_ptr++;
(*len)--;
remove_leading_zeros = 1;
}
}
return ELINK_STATUS_OK;
}
static elink_status_t elink_null_format_ver(uint32_t spirom_ver, uint8_t *str, uint16_t *len)
{
str[0] = '\0';
(*len)--;
return ELINK_STATUS_OK;
}
elink_status_t elink_get_ext_phy_fw_version(struct elink_params *params, uint8_t *version,
uint16_t len)
{
struct bxe_softc *sc;
uint32_t spirom_ver = 0;
elink_status_t status = ELINK_STATUS_OK;
uint8_t *ver_p = version;
uint16_t remain_len = len;
if (version == NULL || params == NULL)
return ELINK_STATUS_ERROR;
sc = params->sc;
/* Extract first external phy*/
version[0] = '\0';
spirom_ver = REG_RD(sc, params->phy[ELINK_EXT_PHY1].ver_addr);
if (params->phy[ELINK_EXT_PHY1].format_fw_ver) {
status |= params->phy[ELINK_EXT_PHY1].format_fw_ver(spirom_ver,
ver_p,
&remain_len);
ver_p += (len - remain_len);
}
if ((params->num_phys == ELINK_MAX_PHYS) &&
(params->phy[ELINK_EXT_PHY2].ver_addr != 0)) {
spirom_ver = REG_RD(sc, params->phy[ELINK_EXT_PHY2].ver_addr);
if (params->phy[ELINK_EXT_PHY2].format_fw_ver) {
*ver_p = '/';
ver_p++;
remain_len--;
status |= params->phy[ELINK_EXT_PHY2].format_fw_ver(
spirom_ver,
ver_p,
&remain_len);
ver_p = version + (len - remain_len);
}
}
*ver_p = '\0';
return status;
}
static void elink_set_xgxs_loopback(struct elink_phy *phy,
struct elink_params *params)
{
uint8_t port = params->port;
struct bxe_softc *sc = params->sc;
if (phy->req_line_speed != ELINK_SPEED_1000) {
uint32_t md_devad = 0;
ELINK_DEBUG_P0(sc, "XGXS 10G loopback enable\n");
if (!CHIP_IS_E3(sc)) {
/* Change the uni_phy_addr in the nig */
md_devad = REG_RD(sc, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
port*0x18));
REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
0x5);
}
elink_cl45_write(sc, phy,
5,
(MDIO_REG_BANK_AER_BLOCK +
(MDIO_AER_BLOCK_AER_REG & 0xf)),
0x2800);
elink_cl45_write(sc, phy,
5,
(MDIO_REG_BANK_CL73_IEEEB0 +
(MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
0x6041);
DELAY(1000 * 200);
/* Set aer mmd back */
elink_set_aer_mmd(params, phy);
if (!CHIP_IS_E3(sc)) {
/* And md_devad */
REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
md_devad);
}
} else {
uint16_t mii_ctrl;
ELINK_DEBUG_P0(sc, "XGXS 1G loopback enable\n");
elink_cl45_read(sc, phy, 5,
(MDIO_REG_BANK_COMBO_IEEE0 +
(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
&mii_ctrl);
elink_cl45_write(sc, phy, 5,
(MDIO_REG_BANK_COMBO_IEEE0 +
(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
mii_ctrl |
MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
}
}
elink_status_t elink_set_led(struct elink_params *params,
struct elink_vars *vars, uint8_t mode, uint32_t speed)
{
uint8_t port = params->port;
uint16_t hw_led_mode = params->hw_led_mode;
elink_status_t rc = ELINK_STATUS_OK;
uint8_t phy_idx;
uint32_t tmp;
uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P2(sc, "elink_set_led: port %x, mode %d\n", port, mode);
ELINK_DEBUG_P2(sc, "speed 0x%x, hw_led_mode 0x%x\n",
speed, hw_led_mode);
/* In case */
for (phy_idx = ELINK_EXT_PHY1; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
if (params->phy[phy_idx].set_link_led) {
params->phy[phy_idx].set_link_led(
&params->phy[phy_idx], params, mode);
}
}
#ifdef ELINK_INCLUDE_EMUL
if (params->feature_config_flags &
ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC)
return rc;
#endif
switch (mode) {
case ELINK_LED_MODE_FRONT_PANEL_OFF:
case ELINK_LED_MODE_OFF:
REG_WR(sc, NIG_REG_LED_10G_P0 + port*4, 0);
REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4,
SHARED_HW_CFG_LED_MAC1);
tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
if (params->phy[ELINK_EXT_PHY1].type ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
EMAC_LED_100MB_OVERRIDE |
EMAC_LED_10MB_OVERRIDE);
else
tmp |= EMAC_LED_OVERRIDE;
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED, tmp);
break;
case ELINK_LED_MODE_OPER:
/* For all other phys, OPER mode is same as ON, so in case
* link is down, do nothing
*/
if (!vars->link_up)
break;
case ELINK_LED_MODE_ON:
if (((params->phy[ELINK_EXT_PHY1].type ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
(params->phy[ELINK_EXT_PHY1].type ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
CHIP_IS_E2(sc) && params->num_phys == 2) {
/* This is a work-around for E2+8727 Configurations */
if (mode == ELINK_LED_MODE_ON ||
speed == ELINK_SPEED_10000){
REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4, 0);
REG_WR(sc, NIG_REG_LED_10G_P0 + port*4, 1);
tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED,
(tmp | EMAC_LED_OVERRIDE));
/* Return here without enabling traffic
* LED blink and setting rate in ON mode.
* In oper mode, enabling LED blink
* and setting rate is needed.
*/
if (mode == ELINK_LED_MODE_ON)
return rc;
}
} else if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
/* This is a work-around for HW issue found when link
* is up in CL73
*/
if ((!CHIP_IS_E3(sc)) ||
(CHIP_IS_E3(sc) &&
mode == ELINK_LED_MODE_ON))
REG_WR(sc, NIG_REG_LED_10G_P0 + port*4, 1);
if (CHIP_IS_E1x(sc) ||
CHIP_IS_E2(sc) ||
(mode == ELINK_LED_MODE_ON))
REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4, 0);
else
REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4,
hw_led_mode);
} else if ((params->phy[ELINK_EXT_PHY1].type ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
(mode == ELINK_LED_MODE_ON)) {
REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4, 0);
tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED, tmp |
EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
/* Break here; otherwise, it'll disable the
* intended override.
*/
break;
} else {
uint32_t nig_led_mode = ((params->hw_led_mode <<
SHARED_HW_CFG_LED_MODE_SHIFT) ==
SHARED_HW_CFG_LED_EXTPHY2) ?
(SHARED_HW_CFG_LED_PHY1 >>
SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4,
nig_led_mode);
}
REG_WR(sc, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
/* Set blinking rate to ~15.9Hz */
if (CHIP_IS_E3(sc))
REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
LED_BLINK_RATE_VAL_E3);
else
REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
LED_BLINK_RATE_VAL_E1X_E2);
REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
port*4, 1);
tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED,
(tmp & (~EMAC_LED_OVERRIDE)));
if (CHIP_IS_E1(sc) &&
((speed == ELINK_SPEED_2500) ||
(speed == ELINK_SPEED_1000) ||
(speed == ELINK_SPEED_100) ||
(speed == ELINK_SPEED_10))) {
/* For speeds less than 10G LED scheme is different */
REG_WR(sc, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
+ port*4, 1);
REG_WR(sc, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
port*4, 0);
REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
port*4, 1);
}
break;
default:
rc = ELINK_STATUS_ERROR;
ELINK_DEBUG_P1(sc, "elink_set_led: Invalid led mode %d\n",
mode);
break;
}
return rc;
}
/* This function comes to reflect the actual link state read DIRECTLY from the
* HW
*/
elink_status_t elink_test_link(struct elink_params *params, struct elink_vars *vars,
uint8_t is_serdes)
{
struct bxe_softc *sc = params->sc;
uint16_t gp_status = 0, phy_index = 0;
uint8_t ext_phy_link_up = 0, serdes_phy_type;
struct elink_vars temp_vars;
struct elink_phy *int_phy = &params->phy[ELINK_INT_PHY];
#ifdef ELINK_INCLUDE_FPGA
if (CHIP_REV_IS_FPGA(sc))
return ELINK_STATUS_OK;
#endif
#ifdef ELINK_INCLUDE_EMUL
if (CHIP_REV_IS_EMUL(sc))
return ELINK_STATUS_OK;
#endif
if (CHIP_IS_E3(sc)) {
uint16_t link_up;
if (params->req_line_speed[ELINK_LINK_CONFIG_IDX(ELINK_INT_PHY)]
> ELINK_SPEED_10000) {
/* Check 20G link */
elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD,
1, &link_up);
elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD,
1, &link_up);
link_up &= (1<<2);
} else {
/* Check 10G link and below*/
uint8_t lane = elink_get_warpcore_lane(int_phy, params);
elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD,
MDIO_WC_REG_GP2_STATUS_GP_2_1,
&gp_status);
gp_status = ((gp_status >> 8) & 0xf) |
((gp_status >> 12) & 0xf);
link_up = gp_status & (1 << lane);
}
if (!link_up)
return ELINK_STATUS_NO_LINK;
} else {
CL22_RD_OVER_CL45(sc, int_phy,
MDIO_REG_BANK_GP_STATUS,
MDIO_GP_STATUS_TOP_AN_STATUS1,
&gp_status);
/* Link is up only if both local phy and external phy are up */
if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
return ELINK_STATUS_NO_LINK;
}
/* In XGXS loopback mode, do not check external PHY */
if (params->loopback_mode == ELINK_LOOPBACK_XGXS)
return ELINK_STATUS_OK;
switch (params->num_phys) {
case 1:
/* No external PHY */
return ELINK_STATUS_OK;
case 2:
ext_phy_link_up = params->phy[ELINK_EXT_PHY1].read_status(
&params->phy[ELINK_EXT_PHY1],
params, &temp_vars);
break;
case 3: /* Dual Media */
for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
phy_index++) {
serdes_phy_type = ((params->phy[phy_index].media_type ==
ELINK_ETH_PHY_SFPP_10G_FIBER) ||
(params->phy[phy_index].media_type ==
ELINK_ETH_PHY_SFP_1G_FIBER) ||
(params->phy[phy_index].media_type ==
ELINK_ETH_PHY_XFP_FIBER) ||
(params->phy[phy_index].media_type ==
ELINK_ETH_PHY_DA_TWINAX));
if (is_serdes != serdes_phy_type)
continue;
if (params->phy[phy_index].read_status) {
ext_phy_link_up |=
params->phy[phy_index].read_status(
&params->phy[phy_index],
params, &temp_vars);
}
}
break;
}
if (ext_phy_link_up)
return ELINK_STATUS_OK;
return ELINK_STATUS_NO_LINK;
}
static elink_status_t elink_link_initialize(struct elink_params *params,
struct elink_vars *vars)
{
elink_status_t rc = ELINK_STATUS_OK;
uint8_t phy_index, non_ext_phy;
struct bxe_softc *sc = params->sc;
/* In case of external phy existence, the line speed would be the
* line speed linked up by the external phy. In case it is direct
* only, then the line_speed during initialization will be
* equal to the req_line_speed
*/
vars->line_speed = params->phy[ELINK_INT_PHY].req_line_speed;
/* Initialize the internal phy in case this is a direct board
* (no external phys), or this board has external phy which requires
* to first.
*/
if (!USES_WARPCORE(sc))
elink_prepare_xgxs(&params->phy[ELINK_INT_PHY], params, vars);
/* init ext phy and enable link state int */
non_ext_phy = (ELINK_SINGLE_MEDIA_DIRECT(params) ||
(params->loopback_mode == ELINK_LOOPBACK_XGXS));
if (non_ext_phy ||
(params->phy[ELINK_EXT_PHY1].flags & ELINK_FLAGS_INIT_XGXS_FIRST) ||
(params->loopback_mode == ELINK_LOOPBACK_EXT_PHY)) {
struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
if (vars->line_speed == ELINK_SPEED_AUTO_NEG &&
(CHIP_IS_E1x(sc) ||
CHIP_IS_E2(sc)))
elink_set_parallel_detection(phy, params);
if (params->phy[ELINK_INT_PHY].config_init)
params->phy[ELINK_INT_PHY].config_init(phy, params, vars);
}
/* Re-read this value in case it was changed inside config_init due to
* limitations of optic module
*/
vars->line_speed = params->phy[ELINK_INT_PHY].req_line_speed;
/* Init external phy*/
if (non_ext_phy) {
if (params->phy[ELINK_INT_PHY].supported &
ELINK_SUPPORTED_FIBRE)
vars->link_status |= LINK_STATUS_SERDES_LINK;
} else {
for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
phy_index++) {
/* No need to initialize second phy in case of first
* phy only selection. In case of second phy, we do
* need to initialize the first phy, since they are
* connected.
*/
if (params->phy[phy_index].supported &
ELINK_SUPPORTED_FIBRE)
vars->link_status |= LINK_STATUS_SERDES_LINK;
if (phy_index == ELINK_EXT_PHY2 &&
(elink_phy_selection(params) ==
PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
ELINK_DEBUG_P0(sc,
"Not initializing second phy\n");
continue;
}
params->phy[phy_index].config_init(
&params->phy[phy_index],
params, vars);
}
}
/* Reset the interrupt indication after phy was initialized */
elink_bits_dis(sc, NIG_REG_STATUS_INTERRUPT_PORT0 +
params->port*4,
(ELINK_NIG_STATUS_XGXS0_LINK10G |
ELINK_NIG_STATUS_XGXS0_LINK_STATUS |
ELINK_NIG_STATUS_SERDES0_LINK_STATUS |
ELINK_NIG_MASK_MI_INT));
return rc;
}
static void elink_int_link_reset(struct elink_phy *phy,
struct elink_params *params)
{
/* Reset the SerDes/XGXS */
REG_WR(params->sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
(0x1ff << (params->port*16)));
}
static void elink_common_ext_link_reset(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint8_t gpio_port;
/* HW reset */
if (CHIP_IS_E2(sc))
gpio_port = SC_PATH(sc);
else
gpio_port = params->port;
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_LOW,
gpio_port);
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_LOW,
gpio_port);
ELINK_DEBUG_P0(sc, "reset external PHY\n");
}
static elink_status_t elink_update_link_down(struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint8_t port = params->port;
ELINK_DEBUG_P1(sc, "Port %x: Link is down\n", port);
elink_set_led(params, vars, ELINK_LED_MODE_OFF, 0);
vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
/* Indicate no mac active */
vars->mac_type = ELINK_MAC_TYPE_NONE;
/* Update shared memory */
vars->link_status &= ~ELINK_LINK_UPDATE_MASK;
vars->line_speed = 0;
elink_update_mng(params, vars->link_status);
/* Activate nig drain */
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
/* Disable emac */
if (!CHIP_IS_E3(sc))
REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 0);
DELAY(1000 * 10);
/* Reset BigMac/Xmac */
if (CHIP_IS_E1x(sc) ||
CHIP_IS_E2(sc))
elink_set_bmac_rx(sc, params->chip_id, params->port, 0);
if (CHIP_IS_E3(sc)) {
/* Prevent LPI Generation by chip */
REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
0);
REG_WR(sc, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
0);
vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
SHMEM_EEE_ACTIVE_BIT);
elink_update_mng_eee(params, vars->eee_status);
elink_set_xmac_rxtx(params, 0);
elink_set_umac_rxtx(params, 0);
}
return ELINK_STATUS_OK;
}
static elink_status_t elink_update_link_up(struct elink_params *params,
struct elink_vars *vars,
uint8_t link_10g)
{
struct bxe_softc *sc = params->sc;
uint8_t phy_idx, port = params->port;
elink_status_t rc = ELINK_STATUS_OK;
vars->link_status |= (LINK_STATUS_LINK_UP |
LINK_STATUS_PHYSICAL_LINK_FLAG);
vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
vars->link_status |=
LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
vars->link_status |=
LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
if (USES_WARPCORE(sc)) {
if (link_10g) {
if (elink_xmac_enable(params, vars, 0) ==
ELINK_STATUS_NO_LINK) {
ELINK_DEBUG_P0(sc, "Found errors on XMAC\n");
vars->link_up = 0;
vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
vars->link_status &= ~LINK_STATUS_LINK_UP;
}
} else
elink_umac_enable(params, vars, 0);
elink_set_led(params, vars,
ELINK_LED_MODE_OPER, vars->line_speed);
if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
(vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
ELINK_DEBUG_P0(sc, "Enabling LPI assertion\n");
REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
(params->port << 2), 1);
REG_WR(sc, MISC_REG_CPMU_LP_DR_ENABLE, 1);
REG_WR(sc, MISC_REG_CPMU_LP_MASK_ENT_P0 +
(params->port << 2), 0xfc20);
}
}
if ((CHIP_IS_E1x(sc) ||
CHIP_IS_E2(sc))) {
if (link_10g) {
if (elink_bmac_enable(params, vars, 0, 1) ==
ELINK_STATUS_NO_LINK) {
ELINK_DEBUG_P0(sc, "Found errors on BMAC\n");
vars->link_up = 0;
vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
vars->link_status &= ~LINK_STATUS_LINK_UP;
}
elink_set_led(params, vars,
ELINK_LED_MODE_OPER, ELINK_SPEED_10000);
} else {
rc = elink_emac_program(params, vars);
elink_emac_enable(params, vars, 0);
/* AN complete? */
if ((vars->link_status &
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
&& (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
ELINK_SINGLE_MEDIA_DIRECT(params))
elink_set_gmii_tx_driver(params);
}
}
/* PBF - link up */
if (CHIP_IS_E1x(sc))
rc |= elink_pbf_update(params, vars->flow_ctrl,
vars->line_speed);
/* Disable drain */
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
/* Update shared memory */
elink_update_mng(params, vars->link_status);
elink_update_mng_eee(params, vars->eee_status);
/* Check remote fault */
for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
if (params->phy[phy_idx].flags & ELINK_FLAGS_TX_ERROR_CHECK) {
elink_check_half_open_conn(params, vars, 0);
break;
}
}
DELAY(1000 * 20);
return rc;
}
/* The elink_link_update function should be called upon link
* interrupt.
* Link is considered up as follows:
* - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
* to be up
* - SINGLE_MEDIA - The link between the 577xx and the external
* phy (XGXS) need to up as well as the external link of the
* phy (PHY_EXT1)
* - DUAL_MEDIA - The link between the 577xx and the first
* external phy needs to be up, and at least one of the 2
* external phy link must be up.
*/
elink_status_t elink_link_update(struct elink_params *params, struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
struct elink_vars phy_vars[ELINK_MAX_PHYS];
uint8_t port = params->port;
uint8_t link_10g_plus, phy_index;
uint8_t ext_phy_link_up = 0, cur_link_up;
elink_status_t rc = ELINK_STATUS_OK;
uint8_t is_mi_int = 0;
uint16_t ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
uint8_t active_external_phy = ELINK_INT_PHY;
vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
vars->link_status &= ~ELINK_LINK_UPDATE_MASK;
for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
phy_index++) {
phy_vars[phy_index].flow_ctrl = 0;
phy_vars[phy_index].link_status = 0;
phy_vars[phy_index].line_speed = 0;
phy_vars[phy_index].duplex = DUPLEX_FULL;
phy_vars[phy_index].phy_link_up = 0;
phy_vars[phy_index].link_up = 0;
phy_vars[phy_index].fault_detected = 0;
/* different consideration, since vars holds inner state */
phy_vars[phy_index].eee_status = vars->eee_status;
}
if (USES_WARPCORE(sc))
elink_set_aer_mmd(params, &params->phy[ELINK_INT_PHY]);
ELINK_DEBUG_P3(sc, "port %x, XGXS?%x, int_status 0x%x\n",
port, (vars->phy_flags & PHY_XGXS_FLAG),
REG_RD(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
is_mi_int = (uint8_t)(REG_RD(sc, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
port*0x18) > 0);
ELINK_DEBUG_P3(sc, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
is_mi_int,
REG_RD(sc, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
ELINK_DEBUG_P2(sc, " 10G %x, XGXS_LINK %x\n",
REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
/* Disable emac */
if (!CHIP_IS_E3(sc))
REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 0);
/* Step 1:
* Check external link change only for external phys, and apply
* priority selection between them in case the link on both phys
* is up. Note that instead of the common vars, a temporary
* vars argument is used since each phy may have different link/
* speed/duplex result
*/
for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
phy_index++) {
struct elink_phy *phy = &params->phy[phy_index];
if (!phy->read_status)
continue;
/* Read link status and params of this ext phy */
cur_link_up = phy->read_status(phy, params,
&phy_vars[phy_index]);
if (cur_link_up) {
ELINK_DEBUG_P1(sc, "phy in index %d link is up\n",
phy_index);
} else {
ELINK_DEBUG_P1(sc, "phy in index %d link is down\n",
phy_index);
continue;
}
if (!ext_phy_link_up) {
ext_phy_link_up = 1;
active_external_phy = phy_index;
} else {
switch (elink_phy_selection(params)) {
case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
/* In this option, the first PHY makes sure to pass the
* traffic through itself only.
* Its not clear how to reset the link on the second phy
*/
active_external_phy = ELINK_EXT_PHY1;
break;
case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
/* In this option, the first PHY makes sure to pass the
* traffic through the second PHY.
*/
active_external_phy = ELINK_EXT_PHY2;
break;
default:
/* Link indication on both PHYs with the following cases
* is invalid:
* - FIRST_PHY means that second phy wasn't initialized,
* hence its link is expected to be down
* - SECOND_PHY means that first phy should not be able
* to link up by itself (using configuration)
* - DEFAULT should be overriden during initialiazation
*/
ELINK_DEBUG_P1(sc, "Invalid link indication"
"mpc=0x%x. DISABLING LINK !!!\n",
params->multi_phy_config);
ext_phy_link_up = 0;
break;
}
}
}
prev_line_speed = vars->line_speed;
/* Step 2:
* Read the status of the internal phy. In case of
* DIRECT_SINGLE_MEDIA board, this link is the external link,
* otherwise this is the link between the 577xx and the first
* external phy
*/
if (params->phy[ELINK_INT_PHY].read_status)
params->phy[ELINK_INT_PHY].read_status(
&params->phy[ELINK_INT_PHY],
params, vars);
/* The INT_PHY flow control reside in the vars. This include the
* case where the speed or flow control are not set to AUTO.
* Otherwise, the active external phy flow control result is set
* to the vars. The ext_phy_line_speed is needed to check if the
* speed is different between the internal phy and external phy.
* This case may be result of intermediate link speed change.
*/
if (active_external_phy > ELINK_INT_PHY) {
vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
/* Link speed is taken from the XGXS. AN and FC result from
* the external phy.
*/
vars->link_status |= phy_vars[active_external_phy].link_status;
/* if active_external_phy is first PHY and link is up - disable
* disable TX on second external PHY
*/
if (active_external_phy == ELINK_EXT_PHY1) {
if (params->phy[ELINK_EXT_PHY2].phy_specific_func) {
ELINK_DEBUG_P0(sc,
"Disabling TX on EXT_PHY2\n");
params->phy[ELINK_EXT_PHY2].phy_specific_func(
&params->phy[ELINK_EXT_PHY2],
params, ELINK_DISABLE_TX);
}
}
ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
vars->duplex = phy_vars[active_external_phy].duplex;
if (params->phy[active_external_phy].supported &
ELINK_SUPPORTED_FIBRE)
vars->link_status |= LINK_STATUS_SERDES_LINK;
else
vars->link_status &= ~LINK_STATUS_SERDES_LINK;
vars->eee_status = phy_vars[active_external_phy].eee_status;
ELINK_DEBUG_P1(sc, "Active external phy selected: %x\n",
active_external_phy);
}
for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
phy_index++) {
if (params->phy[phy_index].flags &
ELINK_FLAGS_REARM_LATCH_SIGNAL) {
elink_rearm_latch_signal(sc, port,
phy_index ==
active_external_phy);
break;
}
}
ELINK_DEBUG_P3(sc, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
" ext_phy_line_speed = %d\n", vars->flow_ctrl,
vars->link_status, ext_phy_line_speed);
/* Upon link speed change set the NIG into drain mode. Comes to
* deals with possible FIFO glitch due to clk change when speed
* is decreased without link down indicator
*/
if (vars->phy_link_up) {
if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
(ext_phy_line_speed != vars->line_speed)) {
ELINK_DEBUG_P2(sc, "Internal link speed %d is"
" different than the external"
" link speed %d\n", vars->line_speed,
ext_phy_line_speed);
vars->phy_link_up = 0;
} else if (prev_line_speed != vars->line_speed) {
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
0);
DELAY(1000 * 1);
}
}
/* Anything 10 and over uses the bmac */
link_10g_plus = (vars->line_speed >= ELINK_SPEED_10000);
elink_link_int_ack(params, vars, link_10g_plus);
/* In case external phy link is up, and internal link is down
* (not initialized yet probably after link initialization, it
* needs to be initialized.
* Note that after link down-up as result of cable plug, the xgxs
* link would probably become up again without the need
* initialize it
*/
if (!(ELINK_SINGLE_MEDIA_DIRECT(params))) {
ELINK_DEBUG_P3(sc, "ext_phy_link_up = %d, int_link_up = %d,"
" init_preceding = %d\n", ext_phy_link_up,
vars->phy_link_up,
params->phy[ELINK_EXT_PHY1].flags &
ELINK_FLAGS_INIT_XGXS_FIRST);
if (!(params->phy[ELINK_EXT_PHY1].flags &
ELINK_FLAGS_INIT_XGXS_FIRST)
&& ext_phy_link_up && !vars->phy_link_up) {
vars->line_speed = ext_phy_line_speed;
if (vars->line_speed < ELINK_SPEED_1000)
vars->phy_flags |= PHY_SGMII_FLAG;
else
vars->phy_flags &= ~PHY_SGMII_FLAG;
if (params->phy[ELINK_INT_PHY].config_init)
params->phy[ELINK_INT_PHY].config_init(
&params->phy[ELINK_INT_PHY], params,
vars);
}
}
/* Link is up only if both local phy and external phy (in case of
* non-direct board) are up and no fault detected on active PHY.
*/
vars->link_up = (vars->phy_link_up &&
(ext_phy_link_up ||
ELINK_SINGLE_MEDIA_DIRECT(params)) &&
(phy_vars[active_external_phy].fault_detected == 0));
/* Update the PFC configuration in case it was changed */
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
vars->link_status |= LINK_STATUS_PFC_ENABLED;
else
vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
if (vars->link_up)
rc = elink_update_link_up(params, vars, link_10g_plus);
else
rc = elink_update_link_down(params, vars);
/* Update MCP link status was changed */
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_BC_SUPPORTS_AFEX)
elink_cb_fw_command(sc, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
return rc;
}
/*****************************************************************************/
/* External Phy section */
/*****************************************************************************/
void elink_ext_phy_hw_reset(struct bxe_softc *sc, uint8_t port)
{
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
DELAY(1000 * 1);
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
}
static void elink_save_spirom_version(struct bxe_softc *sc, uint8_t port,
uint32_t spirom_ver, uint32_t ver_addr)
{
ELINK_DEBUG_P3(sc, "FW version 0x%x:0x%x for port %d\n",
(uint16_t)(spirom_ver>>16), (uint16_t)spirom_ver, port);
if (ver_addr)
REG_WR(sc, ver_addr, spirom_ver);
}
static void elink_save_bcm_spirom_ver(struct bxe_softc *sc,
struct elink_phy *phy,
uint8_t port)
{
uint16_t fw_ver1, fw_ver2;
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER1, &fw_ver1);
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER2, &fw_ver2);
elink_save_spirom_version(sc, port, (uint32_t)(fw_ver1<<16 | fw_ver2),
phy->ver_addr);
}
static void elink_ext_phy_10G_an_resolve(struct bxe_softc *sc,
struct elink_phy *phy,
struct elink_vars *vars)
{
uint16_t val;
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_STATUS, &val);
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_STATUS, &val);
if (val & (1<<5))
vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
if ((val & (1<<0)) == 0)
vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
}
/******************************************************************/
/* common BCM8073/BCM8727 PHY SECTION */
/******************************************************************/
static void elink_8073_resolve_fc(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
if (phy->req_line_speed == ELINK_SPEED_10 ||
phy->req_line_speed == ELINK_SPEED_100) {
vars->flow_ctrl = phy->req_flow_ctrl;
return;
}
if (elink_ext_phy_resolve_fc(phy, params, vars) &&
(vars->flow_ctrl == ELINK_FLOW_CTRL_NONE)) {
uint16_t pause_result;
uint16_t ld_pause; /* local */
uint16_t lp_pause; /* link partner */
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_CL37_FC_LD, &ld_pause);
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_CL37_FC_LP, &lp_pause);
pause_result = (ld_pause &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
pause_result |= (lp_pause &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
elink_pause_resolve(vars, pause_result);
ELINK_DEBUG_P1(sc, "Ext PHY CL37 pause result 0x%x\n",
pause_result);
}
}
static elink_status_t elink_8073_8727_external_rom_boot(struct bxe_softc *sc,
struct elink_phy *phy,
uint8_t port)
{
uint32_t count = 0;
uint16_t fw_ver1, fw_msgout;
elink_status_t rc = ELINK_STATUS_OK;
/* Boot port from external ROM */
/* EDC grst */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_GEN_CTRL,
0x0001);
/* Ucode reboot and rst */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_GEN_CTRL,
0x008c);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_MISC_CTRL1, 0x0001);
/* Reset internal microprocessor */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_GEN_CTRL,
MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
/* Release srst bit */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_GEN_CTRL,
MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
/* Delay 100ms per the PHY specifications */
DELAY(1000 * 100);
/* 8073 sometimes taking longer to download */
do {
count++;
if (count > 300) {
ELINK_DEBUG_P2(sc,
"elink_8073_8727_external_rom_boot port %x:"
"Download failed. fw version = 0x%x\n",
port, fw_ver1);
rc = ELINK_STATUS_ERROR;
break;
}
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER1, &fw_ver1);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
DELAY(1000 * 1);
} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
((fw_msgout & 0xff) != 0x03 && (phy->type ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
/* Clear ser_boot_ctl bit */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_MISC_CTRL1, 0x0000);
elink_save_bcm_spirom_ver(sc, phy, port);
ELINK_DEBUG_P2(sc,
"elink_8073_8727_external_rom_boot port %x:"
"Download complete. fw version = 0x%x\n",
port, fw_ver1);
return rc;
}
/******************************************************************/
/* BCM8073 PHY SECTION */
/******************************************************************/
static elink_status_t elink_8073_is_snr_needed(struct bxe_softc *sc, struct elink_phy *phy)
{
/* This is only required for 8073A1, version 102 only */
uint16_t val;
/* Read 8073 HW revision*/
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8073_CHIP_REV, &val);
if (val != 1) {
/* No need to workaround in 8073 A1 */
return ELINK_STATUS_OK;
}
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER2, &val);
/* SNR should be applied only for version 0x102 */
if (val != 0x102)
return ELINK_STATUS_OK;
return 1;
}
static elink_status_t elink_8073_xaui_wa(struct bxe_softc *sc, struct elink_phy *phy)
{
uint16_t val, cnt, cnt1 ;
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8073_CHIP_REV, &val);
if (val > 0) {
/* No need to workaround in 8073 A1 */
return ELINK_STATUS_OK;
}
/* XAUI workaround in 8073 A0: */
/* After loading the boot ROM and restarting Autoneg, poll
* Dev1, Reg $C820:
*/
for (cnt = 0; cnt < 1000; cnt++) {
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
&val);
/* If bit [14] = 0 or bit [13] = 0, continue on with
* system initialization (XAUI work-around not required, as
* these bits indicate 2.5G or 1G link up).
*/
if (!(val & (1<<14)) || !(val & (1<<13))) {
ELINK_DEBUG_P0(sc, "XAUI work-around not required\n");
return ELINK_STATUS_OK;
} else if (!(val & (1<<15))) {
ELINK_DEBUG_P0(sc, "bit 15 went off\n");
/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
* MSB (bit15) goes to 1 (indicating that the XAUI
* workaround has completed), then continue on with
* system initialization.
*/
for (cnt1 = 0; cnt1 < 1000; cnt1++) {
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8073_XAUI_WA, &val);
if (val & (1<<15)) {
ELINK_DEBUG_P0(sc,
"XAUI workaround has completed\n");
return ELINK_STATUS_OK;
}
DELAY(1000 * 3);
}
break;
}
DELAY(1000 * 3);
}
ELINK_DEBUG_P0(sc, "Warning: XAUI work-around timeout !!!\n");
return ELINK_STATUS_ERROR;
}
static void elink_807x_force_10G(struct bxe_softc *sc, struct elink_phy *phy)
{
/* Force KR or KX */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
}
static void elink_8073_set_pause_cl37(struct elink_params *params,
struct elink_phy *phy,
struct elink_vars *vars)
{
uint16_t cl37_val;
struct bxe_softc *sc = params->sc;
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
if ((vars->ieee_fc &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
}
if ((vars->ieee_fc &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
}
if ((vars->ieee_fc &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
}
ELINK_DEBUG_P1(sc,
"Ext phy AN advertize cl37 0x%x\n", cl37_val);
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
DELAY(1000 * 500);
}
static void elink_8073_specific_func(struct elink_phy *phy,
struct elink_params *params,
uint32_t action)
{
struct bxe_softc *sc = params->sc;
switch (action) {
case ELINK_PHY_INIT:
/* Enable LASI */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
break;
}
}
static elink_status_t elink_8073_config_init(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint16_t val = 0, tmp1;
uint8_t gpio_port;
ELINK_DEBUG_P0(sc, "Init 8073\n");
if (CHIP_IS_E2(sc))
gpio_port = SC_PATH(sc);
else
gpio_port = params->port;
/* Restore normal power mode*/
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
elink_8073_specific_func(phy, params, ELINK_PHY_INIT);
elink_8073_set_pause_cl37(params, phy, vars);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
ELINK_DEBUG_P1(sc, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
/* Swap polarity if required - Must be done only in non-1G mode */
if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
/* Configure the 8073 to swap _P and _N of the KR lines */
ELINK_DEBUG_P0(sc, "Swapping polarity for the 8073\n");
/* 10G Rx/Tx and 1G Tx signal polarity swap */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
(val | (3<<9)));
}
/* Enable CL37 BAM */
if (REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_hw_config[params->port].default_cfg)) &
PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8073_BAM, &val);
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8073_BAM, val | 1);
ELINK_DEBUG_P0(sc, "Enable CL37 BAM on KR\n");
}
if (params->loopback_mode == ELINK_LOOPBACK_EXT) {
elink_807x_force_10G(sc, phy);
ELINK_DEBUG_P0(sc, "Forced speed 10G on 807X\n");
return ELINK_STATUS_OK;
} else {
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
}
if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG) {
if (phy->req_line_speed == ELINK_SPEED_10000) {
val = (1<<7);
} else if (phy->req_line_speed == ELINK_SPEED_2500) {
val = (1<<5);
/* Note that 2.5G works only when used with 1G
* advertisement
*/
} else
val = (1<<5);
} else {
val = 0;
if (phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
val |= (1<<7);
/* Note that 2.5G works only when used with 1G advertisement */
if (phy->speed_cap_mask &
(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
val |= (1<<5);
ELINK_DEBUG_P1(sc, "807x autoneg val = 0x%x\n", val);
}
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
(phy->req_line_speed == ELINK_SPEED_AUTO_NEG)) ||
(phy->req_line_speed == ELINK_SPEED_2500)) {
uint16_t phy_ver;
/* Allow 2.5G for A1 and above */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
&phy_ver);
ELINK_DEBUG_P0(sc, "Add 2.5G\n");
if (phy_ver > 0)
tmp1 |= 1;
else
tmp1 &= 0xfffe;
} else {
ELINK_DEBUG_P0(sc, "Disable 2.5G\n");
tmp1 &= 0xfffe;
}
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
/* Add support for CL37 (passive mode) II */
elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
(tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
0x20 : 0x40)));
/* Add support for CL37 (passive mode) III */
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
/* The SNR will improve about 2db by changing BW and FEE main
* tap. Rest commands are executed after link is up
* Change FFE main cursor to 5 in EDC register
*/
if (elink_8073_is_snr_needed(sc, phy))
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
0xFB0C);
/* Enable FEC (Forware Error Correction) Request in the AN */
elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
tmp1 |= (1<<15);
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
elink_ext_phy_set_pause(params, phy, vars);
/* Restart autoneg */
DELAY(1000 * 500);
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
ELINK_DEBUG_P2(sc, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
return ELINK_STATUS_OK;
}
static uint8_t elink_8073_read_status(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint8_t link_up = 0;
uint16_t val1, val2;
uint16_t link_status = 0;
uint16_t an1000_status = 0;
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
ELINK_DEBUG_P1(sc, "8703 LASI status 0x%x\n", val1);
/* Clear the interrupt LASI status register */
elink_cl45_read(sc, phy,
MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
elink_cl45_read(sc, phy,
MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
ELINK_DEBUG_P2(sc, "807x PCS status 0x%x->0x%x\n", val2, val1);
/* Clear MSG-OUT */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
/* Check the LASI */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
ELINK_DEBUG_P1(sc, "KR 0x9003 0x%x\n", val2);
/* Check the link status */
elink_cl45_read(sc, phy,
MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
ELINK_DEBUG_P1(sc, "KR PCS status 0x%x\n", val2);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
link_up = ((val1 & 4) == 4);
ELINK_DEBUG_P1(sc, "PMA_REG_STATUS=0x%x\n", val1);
if (link_up &&
((phy->req_line_speed != ELINK_SPEED_10000))) {
if (elink_8073_xaui_wa(sc, phy) != 0)
return 0;
}
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
/* Check the link status on 1.1.2 */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
ELINK_DEBUG_P3(sc, "KR PMA status 0x%x->0x%x,"
"an_link_status=0x%x\n", val2, val1, an1000_status);
link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
if (link_up && elink_8073_is_snr_needed(sc, phy)) {
/* The SNR will improve about 2dbby changing the BW and FEE main
* tap. The 1st write to change FFE main tap is set before
* restart AN. Change PLL Bandwidth in EDC register
*/
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
0x26BC);
/* Change CDR Bandwidth in EDC register */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
0x0333);
}
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
&link_status);
/* Bits 0..2 --> speed detected, bits 13..15--> link is down */
if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
link_up = 1;
vars->line_speed = ELINK_SPEED_10000;
ELINK_DEBUG_P1(sc, "port %x: External link up in 10G\n",
params->port);
} else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
link_up = 1;
vars->line_speed = ELINK_SPEED_2500;
ELINK_DEBUG_P1(sc, "port %x: External link up in 2.5G\n",
params->port);
} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
link_up = 1;
vars->line_speed = ELINK_SPEED_1000;
ELINK_DEBUG_P1(sc, "port %x: External link up in 1G\n",
params->port);
} else {
link_up = 0;
ELINK_DEBUG_P1(sc, "port %x: External link is down\n",
params->port);
}
if (link_up) {
/* Swap polarity if required */
if (params->lane_config &
PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
/* Configure the 8073 to swap P and N of the KR lines */
elink_cl45_read(sc, phy,
MDIO_XS_DEVAD,
MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
/* Set bit 3 to invert Rx in 1G mode and clear this bit
* when it`s in 10G mode.
*/
if (vars->line_speed == ELINK_SPEED_1000) {
ELINK_DEBUG_P0(sc, "Swapping 1G polarity for"
"the 8073\n");
val1 |= (1<<3);
} else
val1 &= ~(1<<3);
elink_cl45_write(sc, phy,
MDIO_XS_DEVAD,
MDIO_XS_REG_8073_RX_CTRL_PCIE,
val1);
}
elink_ext_phy_10G_an_resolve(sc, phy, vars);
elink_8073_resolve_fc(phy, params, vars);
vars->duplex = DUPLEX_FULL;
}
if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_LP_AUTO_NEG2, &val1);
if (val1 & (1<<5))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
if (val1 & (1<<7))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
}
return link_up;
}
static void elink_8073_link_reset(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint8_t gpio_port;
if (CHIP_IS_E2(sc))
gpio_port = SC_PATH(sc);
else
gpio_port = params->port;
ELINK_DEBUG_P1(sc, "Setting 8073 port %d into low power mode\n",
gpio_port);
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_LOW,
gpio_port);
}
/******************************************************************/
/* BCM8705 PHY SECTION */
/******************************************************************/
static elink_status_t elink_8705_config_init(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P0(sc, "init 8705\n");
/* Restore normal power mode*/
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
/* HW reset */
elink_ext_phy_hw_reset(sc, params->port);
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
elink_wait_reset_complete(sc, phy, params);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
elink_cl45_write(sc, phy,
MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
/* BCM8705 doesn't have microcode, hence the 0 */
elink_save_spirom_version(sc, params->port, params->shmem_base, 0);
return ELINK_STATUS_OK;
}
static uint8_t elink_8705_read_status(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
uint8_t link_up = 0;
uint16_t val1, rx_sd;
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P0(sc, "read status 8705\n");
elink_cl45_read(sc, phy,
MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
ELINK_DEBUG_P1(sc, "8705 LASI status 0x%x\n", val1);
elink_cl45_read(sc, phy,
MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
ELINK_DEBUG_P1(sc, "8705 LASI status 0x%x\n", val1);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, 0xc809, &val1);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, 0xc809, &val1);
ELINK_DEBUG_P1(sc, "8705 1.c809 val=0x%x\n", val1);
link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
if (link_up) {
vars->line_speed = ELINK_SPEED_10000;
elink_ext_phy_resolve_fc(phy, params, vars);
}
return link_up;
}
/******************************************************************/
/* SFP+ module Section */
/******************************************************************/
static void elink_set_disable_pmd_transmit(struct elink_params *params,
struct elink_phy *phy,
uint8_t pmd_dis)
{
struct bxe_softc *sc = params->sc;
/* Disable transmitter only for bootcodes which can enable it afterwards
* (for D3 link)
*/
if (pmd_dis) {
if (params->feature_config_flags &
ELINK_FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED) {
ELINK_DEBUG_P0(sc, "Disabling PMD transmitter\n");
} else {
ELINK_DEBUG_P0(sc, "NOT disabling PMD transmitter\n");
return;
}
} else
ELINK_DEBUG_P0(sc, "Enabling PMD transmitter\n");
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_TX_DISABLE, pmd_dis);
}
static uint8_t elink_get_gpio_port(struct elink_params *params)
{
uint8_t gpio_port;
uint32_t swap_val, swap_override;
struct bxe_softc *sc = params->sc;
if (CHIP_IS_E2(sc))
gpio_port = SC_PATH(sc);
else
gpio_port = params->port;
swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
return gpio_port ^ (swap_val && swap_override);
}
static void elink_sfp_e1e2_set_transmitter(struct elink_params *params,
struct elink_phy *phy,
uint8_t tx_en)
{
uint16_t val;
uint8_t port = params->port;
struct bxe_softc *sc = params->sc;
uint32_t tx_en_mode;
/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
tx_en_mode = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].sfp_ctrl)) &
PORT_HW_CFG_TX_LASER_MASK;
ELINK_DEBUG_P3(sc, "Setting transmitter tx_en=%x for port %x "
"mode = %x\n", tx_en, port, tx_en_mode);
switch (tx_en_mode) {
case PORT_HW_CFG_TX_LASER_MDIO:
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER,
&val);
if (tx_en)
val &= ~(1<<15);
else
val |= (1<<15);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER,
val);
break;
case PORT_HW_CFG_TX_LASER_GPIO0:
case PORT_HW_CFG_TX_LASER_GPIO1:
case PORT_HW_CFG_TX_LASER_GPIO2:
case PORT_HW_CFG_TX_LASER_GPIO3:
{
uint16_t gpio_pin;
uint8_t gpio_port, gpio_mode;
if (tx_en)
gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
else
gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
gpio_port = elink_get_gpio_port(params);
elink_cb_gpio_write(sc, gpio_pin, gpio_mode, gpio_port);
break;
}
default:
ELINK_DEBUG_P1(sc, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
break;
}
}
static void elink_sfp_set_transmitter(struct elink_params *params,
struct elink_phy *phy,
uint8_t tx_en)
{
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P1(sc, "Setting SFP+ transmitter to %d\n", tx_en);
if (CHIP_IS_E3(sc))
elink_sfp_e3_set_transmitter(params, phy, tx_en);
else
elink_sfp_e1e2_set_transmitter(params, phy, tx_en);
}
static elink_status_t elink_8726_read_sfp_module_eeprom(struct elink_phy *phy,
struct elink_params *params,
uint8_t dev_addr, uint16_t addr, uint8_t byte_cnt,
uint8_t *o_buf, uint8_t is_init)
{
struct bxe_softc *sc = params->sc;
uint16_t val = 0;
uint16_t i;
if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
ELINK_DEBUG_P0(sc,
"Reading from eeprom is limited to 0xf\n");
return ELINK_STATUS_ERROR;
}
/* Set the read command byte count */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
(byte_cnt | (dev_addr << 8)));
/* Set the read command address */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
addr);
/* Activate read command */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
0x2c0f);
/* Wait up to 500us for command complete status */
for (i = 0; i < 100; i++) {
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
break;
DELAY(5);
}
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
ELINK_DEBUG_P1(sc,
"Got bad status 0x%x when reading from SFP+ EEPROM\n",
(val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
return ELINK_STATUS_ERROR;
}
/* Read the buffer */
for (i = 0; i < byte_cnt; i++) {
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
o_buf[i] = (uint8_t)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
}
for (i = 0; i < 100; i++) {
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
return ELINK_STATUS_OK;
DELAY(1000 * 1);
}
return ELINK_STATUS_ERROR;
}
static void elink_warpcore_power_module(struct elink_params *params,
uint8_t power)
{
uint32_t pin_cfg;
struct bxe_softc *sc = params->sc;
pin_cfg = (REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
PORT_HW_CFG_E3_PWR_DIS_MASK) >>
PORT_HW_CFG_E3_PWR_DIS_SHIFT;
if (pin_cfg == PIN_CFG_NA)
return;
ELINK_DEBUG_P2(sc, "Setting SFP+ module power to %d using pin cfg %d\n",
power, pin_cfg);
/* Low ==> corresponding SFP+ module is powered
* high ==> the SFP+ module is powered down
*/
elink_set_cfg_pin(sc, pin_cfg, power ^ 1);
}
static elink_status_t elink_warpcore_read_sfp_module_eeprom(struct elink_phy *phy,
struct elink_params *params,
uint8_t dev_addr,
uint16_t addr, uint8_t byte_cnt,
uint8_t *o_buf, uint8_t is_init)
{
elink_status_t rc = ELINK_STATUS_OK;
uint8_t i, j = 0, cnt = 0;
uint32_t data_array[4];
uint16_t addr32;
struct bxe_softc *sc = params->sc;
if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
ELINK_DEBUG_P0(sc,
"Reading from eeprom is limited to 16 bytes\n");
return ELINK_STATUS_ERROR;
}
/* 4 byte aligned address */
addr32 = addr & (~0x3);
do {
if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
elink_warpcore_power_module(params, 0);
/* Note that 100us are not enough here */
DELAY(1000 * 1);
elink_warpcore_power_module(params, 1);
}
rc = elink_bsc_read(params, sc, dev_addr, addr32, 0, byte_cnt,
data_array);
} while ((rc != ELINK_STATUS_OK) && (++cnt < I2C_WA_RETRY_CNT));
if (rc == ELINK_STATUS_OK) {
for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
o_buf[j] = *((uint8_t *)data_array + i);
j++;
}
}
return rc;
}
static elink_status_t elink_8727_read_sfp_module_eeprom(struct elink_phy *phy,
struct elink_params *params,
uint8_t dev_addr, uint16_t addr, uint8_t byte_cnt,
uint8_t *o_buf, uint8_t is_init)
{
struct bxe_softc *sc = params->sc;
uint16_t val, i;
if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
ELINK_DEBUG_P0(sc,
"Reading from eeprom is limited to 0xf\n");
return ELINK_STATUS_ERROR;
}
/* Set 2-wire transfer rate of SFP+ module EEPROM
* to 100Khz since some DACs(direct attached cables) do
* not work at 400Khz.
*/
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
((dev_addr << 8) | 1));
/* Need to read from 1.8000 to clear it */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
&val);
/* Set the read command byte count */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
((byte_cnt < 2) ? 2 : byte_cnt));
/* Set the read command address */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
addr);
/* Set the destination address */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
0x8004,
MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
/* Activate read command */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
0x8002);
/* Wait appropriate time for two-wire command to finish before
* polling the status register
*/
DELAY(1000 * 1);
/* Wait up to 500us for command complete status */
for (i = 0; i < 100; i++) {
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
break;
DELAY(5);
}
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
ELINK_DEBUG_P1(sc,
"Got bad status 0x%x when reading from SFP+ EEPROM\n",
(val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
return ELINK_STATUS_TIMEOUT;
}
/* Read the buffer */
for (i = 0; i < byte_cnt; i++) {
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
o_buf[i] = (uint8_t)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
}
for (i = 0; i < 100; i++) {
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
return ELINK_STATUS_OK;
DELAY(1000 * 1);
}
return ELINK_STATUS_ERROR;
}
elink_status_t elink_read_sfp_module_eeprom(struct elink_phy *phy,
struct elink_params *params, uint8_t dev_addr,
uint16_t addr, uint16_t byte_cnt, uint8_t *o_buf)
{
elink_status_t rc = 0;
struct bxe_softc *sc = params->sc;
uint8_t xfer_size;
uint8_t *user_data = o_buf;
read_sfp_module_eeprom_func_p read_func;
if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
ELINK_DEBUG_P1(sc, "invalid dev_addr 0x%x\n", dev_addr);
return ELINK_STATUS_ERROR;
}
switch (phy->type) {
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
read_func = elink_8726_read_sfp_module_eeprom;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
read_func = elink_8727_read_sfp_module_eeprom;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
read_func = elink_warpcore_read_sfp_module_eeprom;
break;
default:
return ELINK_OP_NOT_SUPPORTED;
}
while (!rc && (byte_cnt > 0)) {
xfer_size = (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) ?
ELINK_SFP_EEPROM_PAGE_SIZE : byte_cnt;
rc = read_func(phy, params, dev_addr, addr, xfer_size,
user_data, 0);
byte_cnt -= xfer_size;
user_data += xfer_size;
addr += xfer_size;
}
return rc;
}
static elink_status_t elink_get_edc_mode(struct elink_phy *phy,
struct elink_params *params,
uint16_t *edc_mode)
{
struct bxe_softc *sc = params->sc;
uint32_t sync_offset = 0, phy_idx, media_types;
uint8_t gport, val[2], check_limiting_mode = 0;
*edc_mode = ELINK_EDC_MODE_LIMITING;
phy->media_type = ELINK_ETH_PHY_UNSPECIFIED;
/* First check for copper cable */
if (elink_read_sfp_module_eeprom(phy,
params,
ELINK_I2C_DEV_ADDR_A0,
ELINK_SFP_EEPROM_CON_TYPE_ADDR,
2,
(uint8_t *)val) != 0) {
ELINK_DEBUG_P0(sc, "Failed to read from SFP+ module EEPROM\n");
return ELINK_STATUS_ERROR;
}
switch (val[0]) {
case ELINK_SFP_EEPROM_CON_TYPE_VAL_COPPER:
{
uint8_t copper_module_type;
phy->media_type = ELINK_ETH_PHY_DA_TWINAX;
/* Check if its active cable (includes SFP+ module)
* of passive cable
*/
if (elink_read_sfp_module_eeprom(phy,
params,
ELINK_I2C_DEV_ADDR_A0,
ELINK_SFP_EEPROM_FC_TX_TECH_ADDR,
1,
&copper_module_type) != 0) {
ELINK_DEBUG_P0(sc,
"Failed to read copper-cable-type"
" from SFP+ EEPROM\n");
return ELINK_STATUS_ERROR;
}
if (copper_module_type &
ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
ELINK_DEBUG_P0(sc, "Active Copper cable detected\n");
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
*edc_mode = ELINK_EDC_MODE_ACTIVE_DAC;
else
check_limiting_mode = 1;
} else {
*edc_mode = ELINK_EDC_MODE_PASSIVE_DAC;
/* Even in case PASSIVE_DAC indication is not set,
* treat it as a passive DAC cable, since some cables
* don't have this indication.
*/
if (copper_module_type &
ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
ELINK_DEBUG_P0(sc,
"Passive Copper cable detected\n");
} else {
ELINK_DEBUG_P0(sc,
"Unknown copper-cable-type\n");
}
}
break;
}
case ELINK_SFP_EEPROM_CON_TYPE_VAL_LC:
case ELINK_SFP_EEPROM_CON_TYPE_VAL_RJ45:
check_limiting_mode = 1;
if ((val[1] & (ELINK_SFP_EEPROM_COMP_CODE_SR_MASK |
ELINK_SFP_EEPROM_COMP_CODE_LR_MASK |
ELINK_SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
ELINK_DEBUG_P0(sc, "1G SFP module detected\n");
gport = params->port;
phy->media_type = ELINK_ETH_PHY_SFP_1G_FIBER;
if (phy->req_line_speed != ELINK_SPEED_1000) {
phy->req_line_speed = ELINK_SPEED_1000;
if (!CHIP_IS_E1x(sc)) {
gport = SC_PATH(sc) +
(params->port << 1);
}
elink_cb_event_log(sc, ELINK_LOG_ID_NON_10G_MODULE, gport); //"Warning: Link speed was forced to 1000Mbps."
// " Current SFP module in port %d is not"
// " compliant with 10G Ethernet\n",
}
} else {
int idx, cfg_idx = 0;
ELINK_DEBUG_P0(sc, "10G Optic module detected\n");
for (idx = ELINK_INT_PHY; idx < ELINK_MAX_PHYS; idx++) {
if (params->phy[idx].type == phy->type) {
cfg_idx = ELINK_LINK_CONFIG_IDX(idx);
break;
}
}
phy->media_type = ELINK_ETH_PHY_SFPP_10G_FIBER;
phy->req_line_speed = params->req_line_speed[cfg_idx];
}
break;
default:
ELINK_DEBUG_P1(sc, "Unable to determine module type 0x%x !!!\n",
val[0]);
return ELINK_STATUS_ERROR;
}
sync_offset = params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[params->port].media_type);
media_types = REG_RD(sc, sync_offset);
/* Update media type for non-PMF sync */
for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
if (&(params->phy[phy_idx]) == phy) {
media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
media_types |= ((phy->media_type &
PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
break;
}
}
REG_WR(sc, sync_offset, media_types);
if (check_limiting_mode) {
uint8_t options[ELINK_SFP_EEPROM_OPTIONS_SIZE];
if (elink_read_sfp_module_eeprom(phy,
params,
ELINK_I2C_DEV_ADDR_A0,
ELINK_SFP_EEPROM_OPTIONS_ADDR,
ELINK_SFP_EEPROM_OPTIONS_SIZE,
options) != 0) {
ELINK_DEBUG_P0(sc,
"Failed to read Option field from module EEPROM\n");
return ELINK_STATUS_ERROR;
}
if ((options[0] & ELINK_SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
*edc_mode = ELINK_EDC_MODE_LINEAR;
else
*edc_mode = ELINK_EDC_MODE_LIMITING;
}
ELINK_DEBUG_P1(sc, "EDC mode is set to 0x%x\n", *edc_mode);
return ELINK_STATUS_OK;
}
/* This function read the relevant field from the module (SFP+), and verify it
* is compliant with this board
*/
static elink_status_t elink_verify_sfp_module(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint32_t val, cmd;
uint32_t fw_resp, fw_cmd_param;
char vendor_name[ELINK_SFP_EEPROM_VENDOR_NAME_SIZE+1];
char vendor_pn[ELINK_SFP_EEPROM_PART_NO_SIZE+1];
phy->flags &= ~ELINK_FLAGS_SFP_NOT_APPROVED;
val = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_feature_config[params->port].config));
if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
ELINK_DEBUG_P0(sc, "NOT enforcing module verification\n");
return ELINK_STATUS_OK;
}
if (params->feature_config_flags &
ELINK_FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
/* Use specific phy request */
cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
} else if (params->feature_config_flags &
ELINK_FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
/* Use first phy request only in case of non-dual media*/
if (ELINK_DUAL_MEDIA(params)) {
ELINK_DEBUG_P0(sc,
"FW does not support OPT MDL verification\n");
return ELINK_STATUS_ERROR;
}
cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
} else {
/* No support in OPT MDL detection */
ELINK_DEBUG_P0(sc,
"FW does not support OPT MDL verification\n");
return ELINK_STATUS_ERROR;
}
fw_cmd_param = ELINK_FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
fw_resp = elink_cb_fw_command(sc, cmd, fw_cmd_param);
if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
ELINK_DEBUG_P0(sc, "Approved module\n");
return ELINK_STATUS_OK;
}
/* Format the warning message */
if (elink_read_sfp_module_eeprom(phy,
params,
ELINK_I2C_DEV_ADDR_A0,
ELINK_SFP_EEPROM_VENDOR_NAME_ADDR,
ELINK_SFP_EEPROM_VENDOR_NAME_SIZE,
(uint8_t *)vendor_name))
vendor_name[0] = '\0';
else
vendor_name[ELINK_SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
if (elink_read_sfp_module_eeprom(phy,
params,
ELINK_I2C_DEV_ADDR_A0,
ELINK_SFP_EEPROM_PART_NO_ADDR,
ELINK_SFP_EEPROM_PART_NO_SIZE,
(uint8_t *)vendor_pn))
vendor_pn[0] = '\0';
else
vendor_pn[ELINK_SFP_EEPROM_PART_NO_SIZE] = '\0';
elink_cb_event_log(sc, ELINK_LOG_ID_UNQUAL_IO_MODULE, params->port, vendor_name, vendor_pn); // "Warning: Unqualified SFP+ module detected,"
// " Port %d from %s part number %s\n",
if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
phy->flags |= ELINK_FLAGS_SFP_NOT_APPROVED;
return ELINK_STATUS_ERROR;
}
static elink_status_t elink_wait_for_sfp_module_initialized(struct elink_phy *phy,
struct elink_params *params)
{
uint8_t val;
elink_status_t rc;
struct bxe_softc *sc = params->sc;
uint16_t timeout;
/* Initialization time after hot-plug may take up to 300ms for
* some phys type ( e.g. JDSU )
*/
for (timeout = 0; timeout < 60; timeout++) {
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
rc = elink_warpcore_read_sfp_module_eeprom(
phy, params, ELINK_I2C_DEV_ADDR_A0, 1, 1, &val,
1);
else
rc = elink_read_sfp_module_eeprom(phy, params,
ELINK_I2C_DEV_ADDR_A0,
1, 1, &val);
if (rc == 0) {
ELINK_DEBUG_P1(sc,
"SFP+ module initialization took %d ms\n",
timeout * 5);
return ELINK_STATUS_OK;
}
DELAY(1000 * 5);
}
rc = elink_read_sfp_module_eeprom(phy, params, ELINK_I2C_DEV_ADDR_A0,
1, 1, &val);
return rc;
}
static void elink_8727_power_module(struct bxe_softc *sc,
struct elink_phy *phy,
uint8_t is_power_up) {
/* Make sure GPIOs are not using for LED mode */
uint16_t val;
/* In the GPIO register, bit 4 is use to determine if the GPIOs are
* operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
* output
* Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
* Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
* where the 1st bit is the over-current(only input), and 2nd bit is
* for power( only output )
*
* In case of NOC feature is disabled and power is up, set GPIO control
* as input to enable listening of over-current indication
*/
if (phy->flags & ELINK_FLAGS_NOC)
return;
if (is_power_up)
val = (1<<4);
else
/* Set GPIO control to OUTPUT, and set the power bit
* to according to the is_power_up
*/
val = (1<<1);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_GPIO_CTRL,
val);
}
static elink_status_t elink_8726_set_limiting_mode(struct bxe_softc *sc,
struct elink_phy *phy,
uint16_t edc_mode)
{
uint16_t cur_limiting_mode;
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER2,
&cur_limiting_mode);
ELINK_DEBUG_P1(sc, "Current Limiting mode is 0x%x\n",
cur_limiting_mode);
if (edc_mode == ELINK_EDC_MODE_LIMITING) {
ELINK_DEBUG_P0(sc, "Setting LIMITING MODE\n");
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER2,
ELINK_EDC_MODE_LIMITING);
} else { /* LRM mode ( default )*/
ELINK_DEBUG_P0(sc, "Setting LRM MODE\n");
/* Changing to LRM mode takes quite few seconds. So do it only
* if current mode is limiting (default is LRM)
*/
if (cur_limiting_mode != ELINK_EDC_MODE_LIMITING)
return ELINK_STATUS_OK;
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_LRM_MODE,
0);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER2,
0x128);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_MISC_CTRL0,
0x4008);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_LRM_MODE,
0xaaaa);
}
return ELINK_STATUS_OK;
}
static elink_status_t elink_8727_set_limiting_mode(struct bxe_softc *sc,
struct elink_phy *phy,
uint16_t edc_mode)
{
uint16_t phy_identifier;
uint16_t rom_ver2_val;
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER,
&phy_identifier);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER,
(phy_identifier & ~(1<<9)));
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER2,
&rom_ver2_val);
/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER2,
(rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER,
(phy_identifier | (1<<9)));
return ELINK_STATUS_OK;
}
static void elink_8727_specific_func(struct elink_phy *phy,
struct elink_params *params,
uint32_t action)
{
struct bxe_softc *sc = params->sc;
uint16_t val;
switch (action) {
case ELINK_DISABLE_TX:
elink_sfp_set_transmitter(params, phy, 0);
break;
case ELINK_ENABLE_TX:
if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED))
elink_sfp_set_transmitter(params, phy, 1);
break;
case ELINK_PHY_INIT:
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
(1<<2) | (1<<5));
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
0);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
/* Make MOD_ABS give interrupt on change */
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_PCS_OPT_CTRL,
&val);
val |= (1<<12);
if (phy->flags & ELINK_FLAGS_NOC)
val |= (3<<5);
/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
* status which reflect SFP+ module over-current
*/
if (!(phy->flags & ELINK_FLAGS_NOC))
val &= 0xff8f; /* Reset bits 4-6 */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
val);
break;
default:
ELINK_DEBUG_P1(sc, "Function 0x%x not supported by 8727\n",
action);
return;
}
}
static void elink_set_e1e2_module_fault_led(struct elink_params *params,
uint8_t gpio_mode)
{
struct bxe_softc *sc = params->sc;
uint32_t fault_led_gpio = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[params->port].sfp_ctrl)) &
PORT_HW_CFG_FAULT_MODULE_LED_MASK;
switch (fault_led_gpio) {
case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
return;
case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
{
uint8_t gpio_port = elink_get_gpio_port(params);
uint16_t gpio_pin = fault_led_gpio -
PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
ELINK_DEBUG_P3(sc, "Set fault module-detected led "
"pin %x port %x mode %x\n",
gpio_pin, gpio_port, gpio_mode);
elink_cb_gpio_write(sc, gpio_pin, gpio_mode, gpio_port);
}
break;
default:
ELINK_DEBUG_P1(sc, "Error: Invalid fault led mode 0x%x\n",
fault_led_gpio);
}
}
static void elink_set_e3_module_fault_led(struct elink_params *params,
uint8_t gpio_mode)
{
uint32_t pin_cfg;
uint8_t port = params->port;
struct bxe_softc *sc = params->sc;
pin_cfg = (REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].e3_sfp_ctrl)) &
PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
ELINK_DEBUG_P2(sc, "Setting Fault LED to %d using pin cfg %d\n",
gpio_mode, pin_cfg);
elink_set_cfg_pin(sc, pin_cfg, gpio_mode);
}
static void elink_set_sfp_module_fault_led(struct elink_params *params,
uint8_t gpio_mode)
{
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P1(sc, "Setting SFP+ module fault LED to %d\n", gpio_mode);
if (CHIP_IS_E3(sc)) {
/* Low ==> if SFP+ module is supported otherwise
* High ==> if SFP+ module is not on the approved vendor list
*/
elink_set_e3_module_fault_led(params, gpio_mode);
} else
elink_set_e1e2_module_fault_led(params, gpio_mode);
}
static void elink_warpcore_hw_reset(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
elink_warpcore_power_module(params, 0);
/* Put Warpcore in low power mode */
REG_WR(sc, MISC_REG_WC0_RESET, 0x0c0e);
/* Put LCPLL in low power mode */
REG_WR(sc, MISC_REG_LCPLL_E40_PWRDWN, 1);
REG_WR(sc, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
REG_WR(sc, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
}
static void elink_power_sfp_module(struct elink_params *params,
struct elink_phy *phy,
uint8_t power)
{
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P1(sc, "Setting SFP+ power to %x\n", power);
switch (phy->type) {
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
elink_8727_power_module(params->sc, phy, power);
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
elink_warpcore_power_module(params, power);
break;
default:
break;
}
}
static void elink_warpcore_set_limiting_mode(struct elink_params *params,
struct elink_phy *phy,
uint16_t edc_mode)
{
uint16_t val = 0;
uint16_t mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
struct bxe_softc *sc = params->sc;
uint8_t lane = elink_get_warpcore_lane(phy, params);
/* This is a global register which controls all lanes */
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
val &= ~(0xf << (lane << 2));
switch (edc_mode) {
case ELINK_EDC_MODE_LINEAR:
case ELINK_EDC_MODE_LIMITING:
mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
break;
case ELINK_EDC_MODE_PASSIVE_DAC:
case ELINK_EDC_MODE_ACTIVE_DAC:
mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
break;
default:
break;
}
val |= (mode << (lane << 2));
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
/* A must read */
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
/* Restart microcode to re-read the new mode */
elink_warpcore_reset_lane(sc, phy, 1);
elink_warpcore_reset_lane(sc, phy, 0);
}
static void elink_set_limiting_mode(struct elink_params *params,
struct elink_phy *phy,
uint16_t edc_mode)
{
switch (phy->type) {
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
elink_8726_set_limiting_mode(params->sc, phy, edc_mode);
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
elink_8727_set_limiting_mode(params->sc, phy, edc_mode);
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
elink_warpcore_set_limiting_mode(params, phy, edc_mode);
break;
}
}
elink_status_t elink_sfp_module_detection(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint16_t edc_mode;
elink_status_t rc = ELINK_STATUS_OK;
uint32_t val = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_feature_config[params->port].config));
/* Enabled transmitter by default */
elink_sfp_set_transmitter(params, phy, 1);
ELINK_DEBUG_P1(sc, "SFP+ module plugged in/out detected on port %d\n",
params->port);
/* Power up module */
elink_power_sfp_module(params, phy, 1);
if (elink_get_edc_mode(phy, params, &edc_mode) != 0) {
ELINK_DEBUG_P0(sc, "Failed to get valid module type\n");
return ELINK_STATUS_ERROR;
} else if (elink_verify_sfp_module(phy, params) != 0) {
/* Check SFP+ module compatibility */
ELINK_DEBUG_P0(sc, "Module verification failed!!\n");
rc = ELINK_STATUS_ERROR;
/* Turn on fault module-detected led */
elink_set_sfp_module_fault_led(params,
MISC_REGISTERS_GPIO_HIGH);
/* Check if need to power down the SFP+ module */
if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
ELINK_DEBUG_P0(sc, "Shutdown SFP+ module!!\n");
elink_power_sfp_module(params, phy, 0);
return rc;
}
} else {
/* Turn off fault module-detected led */
elink_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
}
/* Check and set limiting mode / LRM mode on 8726. On 8727 it
* is done automatically
*/
elink_set_limiting_mode(params, phy, edc_mode);
/* Disable transmit for this module if the module is not approved, and
* laser needs to be disabled.
*/
if ((rc != 0) &&
((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
elink_sfp_set_transmitter(params, phy, 0);
return rc;
}
void elink_handle_module_detect_int(struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
struct elink_phy *phy;
uint32_t gpio_val;
uint8_t gpio_num, gpio_port;
if (CHIP_IS_E3(sc)) {
phy = &params->phy[ELINK_INT_PHY];
/* Always enable TX laser,will be disabled in case of fault */
elink_sfp_set_transmitter(params, phy, 1);
} else {
phy = &params->phy[ELINK_EXT_PHY1];
}
if (elink_get_mod_abs_int_cfg(sc, params->chip_id, params->shmem_base,
params->port, &gpio_num, &gpio_port) ==
ELINK_STATUS_ERROR) {
ELINK_DEBUG_P0(sc, "Failed to get MOD_ABS interrupt config\n");
return;
}
/* Set valid module led off */
elink_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
/* Get current gpio val reflecting module plugged in / out*/
gpio_val = elink_cb_gpio_read(sc, gpio_num, gpio_port);
/* Call the handling function in case module is detected */
if (gpio_val == 0) {
elink_set_mdio_emac_per_phy(sc, params);
elink_set_aer_mmd(params, phy);
elink_power_sfp_module(params, phy, 1);
elink_cb_gpio_int_write(sc, gpio_num,
MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
gpio_port);
if (elink_wait_for_sfp_module_initialized(phy, params) == 0) {
elink_sfp_module_detection(phy, params);
if (CHIP_IS_E3(sc)) {
uint16_t rx_tx_in_reset;
/* In case WC is out of reset, reconfigure the
* link speed while taking into account 1G
* module limitation.
*/
elink_cl45_read(sc, phy,
MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL5_MISC6,
&rx_tx_in_reset);
if ((!rx_tx_in_reset) &&
(params->link_flags &
ELINK_PHY_INITIALIZED)) {
elink_warpcore_reset_lane(sc, phy, 1);
elink_warpcore_config_sfi(phy, params);
elink_warpcore_reset_lane(sc, phy, 0);
}
}
} else {
ELINK_DEBUG_P0(sc, "SFP+ module is not initialized\n");
}
} else {
elink_cb_gpio_int_write(sc, gpio_num,
MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
gpio_port);
/* Module was plugged out.
* Disable transmit for this module
*/
phy->media_type = ELINK_ETH_PHY_NOT_PRESENT;
}
}
/******************************************************************/
/* Used by 8706 and 8727 */
/******************************************************************/
static void elink_sfp_mask_fault(struct bxe_softc *sc,
struct elink_phy *phy,
uint16_t alarm_status_offset,
uint16_t alarm_ctrl_offset)
{
uint16_t alarm_status, val;
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, alarm_status_offset,
&alarm_status);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, alarm_status_offset,
&alarm_status);
/* Mask or enable the fault event. */
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
if (alarm_status & (1<<0))
val &= ~(1<<0);
else
val |= (1<<0);
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
}
/******************************************************************/
/* common BCM8706/BCM8726 PHY SECTION */
/******************************************************************/
static uint8_t elink_8706_8726_read_status(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
uint8_t link_up = 0;
uint16_t val1, val2, rx_sd, pcs_status;
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P0(sc, "XGXS 8706/8726\n");
/* Clear RX Alarm*/
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
elink_sfp_mask_fault(sc, phy, MDIO_PMA_LASI_TXSTAT,
MDIO_PMA_LASI_TXCTRL);
/* Clear LASI indication*/
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
ELINK_DEBUG_P2(sc, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
elink_cl45_read(sc, phy,
MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
ELINK_DEBUG_P3(sc, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
" link_status 0x%x\n", rx_sd, pcs_status, val2);
/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
* are set, or if the autoneg bit 1 is set
*/
link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
if (link_up) {
if (val2 & (1<<1))
vars->line_speed = ELINK_SPEED_1000;
else
vars->line_speed = ELINK_SPEED_10000;
elink_ext_phy_resolve_fc(phy, params, vars);
vars->duplex = DUPLEX_FULL;
}
/* Capture 10G link fault. Read twice to clear stale value. */
if (vars->line_speed == ELINK_SPEED_10000) {
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
MDIO_PMA_LASI_TXSTAT, &val1);
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
MDIO_PMA_LASI_TXSTAT, &val1);
if (val1 & (1<<0))
vars->fault_detected = 1;
}
return link_up;
}
/******************************************************************/
/* BCM8706 PHY SECTION */
/******************************************************************/
static uint8_t elink_8706_config_init(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
uint32_t tx_en_mode;
uint16_t cnt, val, tmp1;
struct bxe_softc *sc = params->sc;
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
/* HW reset */
elink_ext_phy_hw_reset(sc, params->port);
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
elink_wait_reset_complete(sc, phy, params);
/* Wait until fw is loaded */
for (cnt = 0; cnt < 100; cnt++) {
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
if (val)
break;
DELAY(1000 * 10);
}
ELINK_DEBUG_P1(sc, "XGXS 8706 is initialized after %d ms\n", cnt);
if ((params->feature_config_flags &
ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
uint8_t i;
uint16_t reg;
for (i = 0; i < 4; i++) {
reg = MDIO_XS_8706_REG_BANK_RX0 +
i*(MDIO_XS_8706_REG_BANK_RX1 -
MDIO_XS_8706_REG_BANK_RX0);
elink_cl45_read(sc, phy, MDIO_XS_DEVAD, reg, &val);
/* Clear first 3 bits of the control */
val &= ~0x7;
/* Set control bits according to configuration */
val |= (phy->rx_preemphasis[i] & 0x7);
ELINK_DEBUG_P2(sc, "Setting RX Equalizer to BCM8706"
" reg 0x%x <-- val 0x%x\n", reg, val);
elink_cl45_write(sc, phy, MDIO_XS_DEVAD, reg, val);
}
}
/* Force speed */
if (phy->req_line_speed == ELINK_SPEED_10000) {
ELINK_DEBUG_P0(sc, "XGXS 8706 force 10Gbps\n");
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
0);
/* Arm LASI for link and Tx fault. */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
} else {
/* Force 1Gbps using autoneg with 1G advertisement */
/* Allow CL37 through CL73 */
ELINK_DEBUG_P0(sc, "XGXS 8706 AutoNeg\n");
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
/* Enable Full-Duplex advertisement on CL37 */
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
/* Enable CL37 AN */
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
/* 1G support */
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
/* Enable clause 73 AN */
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
0x0400);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
0x0004);
}
elink_save_bcm_spirom_ver(sc, phy, params->port);
/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
* power mode, if TX Laser is disabled
*/
tx_en_mode = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[params->port].sfp_ctrl))
& PORT_HW_CFG_TX_LASER_MASK;
if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
ELINK_DEBUG_P0(sc, "Enabling TXONOFF_PWRDN_DIS\n");
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
tmp1 |= 0x1;
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
}
return ELINK_STATUS_OK;
}
static elink_status_t elink_8706_read_status(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
return elink_8706_8726_read_status(phy, params, vars);
}
/******************************************************************/
/* BCM8726 PHY SECTION */
/******************************************************************/
static void elink_8726_config_loopback(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P0(sc, "PMA/PMD ext_phy_loopback: 8726\n");
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
}
static void elink_8726_external_rom_boot(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
/* Need to wait 100ms after reset */
DELAY(1000 * 100);
/* Micro controller re-boot */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
/* Set soft reset */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_GEN_CTRL,
MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_MISC_CTRL1, 0x0001);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_GEN_CTRL,
MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
/* Wait for 150ms for microcode load */
DELAY(1000 * 150);
/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_MISC_CTRL1, 0x0000);
DELAY(1000 * 200);
elink_save_bcm_spirom_ver(sc, phy, params->port);
}
static uint8_t elink_8726_read_status(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint16_t val1;
uint8_t link_up = elink_8706_8726_read_status(phy, params, vars);
if (link_up) {
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
&val1);
if (val1 & (1<<15)) {
ELINK_DEBUG_P0(sc, "Tx is disabled\n");
link_up = 0;
vars->line_speed = 0;
}
}
return link_up;
}
static elink_status_t elink_8726_config_init(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P0(sc, "Initializing BCM8726\n");
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
elink_wait_reset_complete(sc, phy, params);
elink_8726_external_rom_boot(phy, params);
/* Need to call module detected on initialization since the module
* detection triggered by actual module insertion might occur before
* driver is loaded, and when driver is loaded, it reset all
* registers, including the transmitter
*/
elink_sfp_module_detection(phy, params);
if (phy->req_line_speed == ELINK_SPEED_1000) {
ELINK_DEBUG_P0(sc, "Setting 1G force\n");
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
0x400);
} else if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
(phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
((phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
ELINK_DEBUG_P0(sc, "Setting 1G clause37\n");
/* Set Flow control */
elink_ext_phy_set_pause(params, phy, vars);
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
/* Enable RX-ALARM control to receive interrupt for 1G speed
* change
*/
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
0x400);
} else { /* Default 10G. Set only LASI control */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
}
/* Set TX PreEmphasis if needed */
if ((params->feature_config_flags &
ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
ELINK_DEBUG_P2(sc,
"Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
phy->tx_preemphasis[0],
phy->tx_preemphasis[1]);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8726_TX_CTRL1,
phy->tx_preemphasis[0]);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8726_TX_CTRL2,
phy->tx_preemphasis[1]);
}
return ELINK_STATUS_OK;
}
static void elink_8726_link_reset(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P1(sc, "elink_8726_link_reset port %d\n", params->port);
/* Set serial boot control for external load */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_GEN_CTRL, 0x0001);
}
/******************************************************************/
/* BCM8727 PHY SECTION */
/******************************************************************/
static void elink_8727_set_link_led(struct elink_phy *phy,
struct elink_params *params, uint8_t mode)
{
struct bxe_softc *sc = params->sc;
uint16_t led_mode_bitmask = 0;
uint16_t gpio_pins_bitmask = 0;
uint16_t val;
/* Only NOC flavor requires to set the LED specifically */
if (!(phy->flags & ELINK_FLAGS_NOC))
return;
switch (mode) {
case ELINK_LED_MODE_FRONT_PANEL_OFF:
case ELINK_LED_MODE_OFF:
led_mode_bitmask = 0;
gpio_pins_bitmask = 0x03;
break;
case ELINK_LED_MODE_ON:
led_mode_bitmask = 0;
gpio_pins_bitmask = 0x02;
break;
case ELINK_LED_MODE_OPER:
led_mode_bitmask = 0x60;
gpio_pins_bitmask = 0x11;
break;
}
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_PCS_OPT_CTRL,
&val);
val &= 0xff8f;
val |= led_mode_bitmask;
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_PCS_OPT_CTRL,
val);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_GPIO_CTRL,
&val);
val &= 0xffe0;
val |= gpio_pins_bitmask;
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_GPIO_CTRL,
val);
}
static void elink_8727_hw_reset(struct elink_phy *phy,
struct elink_params *params) {
uint32_t swap_val, swap_override;
uint8_t port;
/* The PHY reset is controlled by GPIO 1. Fake the port number
* to cancel the swap done in set_gpio()
*/
struct bxe_softc *sc = params->sc;
swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
port = (swap_val && swap_override) ^ 1;
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
}
static void elink_8727_config_speed(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint16_t tmp1, val;
/* Set option 1G speed */
if ((phy->req_line_speed == ELINK_SPEED_1000) ||
(phy->media_type == ELINK_ETH_PHY_SFP_1G_FIBER)) {
ELINK_DEBUG_P0(sc, "Setting 1G force\n");
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
ELINK_DEBUG_P1(sc, "1.7 = 0x%x\n", tmp1);
/* Power down the XAUI until link is up in case of dual-media
* and 1G
*/
if (ELINK_DUAL_MEDIA(params)) {
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_PCS_GP, &val);
val |= (3<<10);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_PCS_GP, val);
}
} else if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
((phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
((phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
ELINK_DEBUG_P0(sc, "Setting 1G clause37\n");
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
} else {
/* Since the 8727 has only single reset pin, need to set the 10G
* registers although it is default
*/
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
0x0020);
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
0x0008);
}
}
static elink_status_t elink_8727_config_init(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
uint32_t tx_en_mode;
uint16_t tmp1, mod_abs, tmp2;
struct bxe_softc *sc = params->sc;
/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
elink_wait_reset_complete(sc, phy, params);
ELINK_DEBUG_P0(sc, "Initializing BCM8727\n");
elink_8727_specific_func(phy, params, ELINK_PHY_INIT);
/* Initially configure MOD_ABS to interrupt when module is
* presence( bit 8)
*/
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
* When the EDC is off it locks onto a reference clock and avoids
* becoming 'lost'
*/
mod_abs &= ~(1<<8);
if (!(phy->flags & ELINK_FLAGS_NOC))
mod_abs &= ~(1<<9);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
/* Enable/Disable PHY transmitter output */
elink_set_disable_pmd_transmit(params, phy, 0);
elink_8727_power_module(sc, phy, 1);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
elink_8727_config_speed(phy, params);
/* Set TX PreEmphasis if needed */
if ((params->feature_config_flags &
ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
ELINK_DEBUG_P2(sc, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
phy->tx_preemphasis[0],
phy->tx_preemphasis[1]);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
phy->tx_preemphasis[0]);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
phy->tx_preemphasis[1]);
}
/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
* power mode, if TX Laser is disabled
*/
tx_en_mode = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[params->port].sfp_ctrl))
& PORT_HW_CFG_TX_LASER_MASK;
if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
ELINK_DEBUG_P0(sc, "Enabling TXONOFF_PWRDN_DIS\n");
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
tmp2 |= 0x1000;
tmp2 &= 0xFFEF;
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
&tmp2);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
(tmp2 & 0x7fff));
}
return ELINK_STATUS_OK;
}
static void elink_8727_handle_mod_abs(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint16_t mod_abs, rx_alarm_status;
uint32_t val = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_feature_config[params->port].
config));
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
if (mod_abs & (1<<8)) {
/* Module is absent */
ELINK_DEBUG_P0(sc,
"MOD_ABS indication show module is absent\n");
phy->media_type = ELINK_ETH_PHY_NOT_PRESENT;
/* 1. Set mod_abs to detect next module
* presence event
* 2. Set EDC off by setting OPTXLOS signal input to low
* (bit 9).
* When the EDC is off it locks onto a reference clock and
* avoids becoming 'lost'.
*/
mod_abs &= ~(1<<8);
if (!(phy->flags & ELINK_FLAGS_NOC))
mod_abs &= ~(1<<9);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
/* Clear RX alarm since it stays up as long as
* the mod_abs wasn't changed
*/
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
} else {
/* Module is present */
ELINK_DEBUG_P0(sc,
"MOD_ABS indication show module is present\n");
/* First disable transmitter, and if the module is ok, the
* module_detection will enable it
* 1. Set mod_abs to detect next module absent event ( bit 8)
* 2. Restore the default polarity of the OPRXLOS signal and
* this signal will then correctly indicate the presence or
* absence of the Rx signal. (bit 9)
*/
mod_abs |= (1<<8);
if (!(phy->flags & ELINK_FLAGS_NOC))
mod_abs |= (1<<9);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
/* Clear RX alarm since it stays up as long as the mod_abs
* wasn't changed. This is need to be done before calling the
* module detection, otherwise it will clear* the link update
* alarm
*/
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
elink_sfp_set_transmitter(params, phy, 0);
if (elink_wait_for_sfp_module_initialized(phy, params) == 0)
elink_sfp_module_detection(phy, params);
else
ELINK_DEBUG_P0(sc, "SFP+ module is not initialized\n");
/* Reconfigure link speed based on module type limitations */
elink_8727_config_speed(phy, params);
}
ELINK_DEBUG_P1(sc, "8727 RX_ALARM_STATUS 0x%x\n",
rx_alarm_status);
/* No need to check link status in case of module plugged in/out */
}
static uint8_t elink_8727_read_status(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint8_t link_up = 0, oc_port = params->port;
uint16_t link_status = 0;
uint16_t rx_alarm_status, lasi_ctrl, val1;
/* If PHY is not initialized, do not check link status */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
&lasi_ctrl);
if (!lasi_ctrl)
return 0;
/* Check the LASI on Rx */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
&rx_alarm_status);
vars->line_speed = 0;
ELINK_DEBUG_P1(sc, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
elink_sfp_mask_fault(sc, phy, MDIO_PMA_LASI_TXSTAT,
MDIO_PMA_LASI_TXCTRL);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
ELINK_DEBUG_P1(sc, "8727 LASI status 0x%x\n", val1);
/* Clear MSG-OUT */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
/* If a module is present and there is need to check
* for over current
*/
if (!(phy->flags & ELINK_FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
/* Check over-current using 8727 GPIO0 input*/
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
&val1);
if ((val1 & (1<<8)) == 0) {
if (!CHIP_IS_E1x(sc))
oc_port = SC_PATH(sc) + (params->port << 1);
ELINK_DEBUG_P1(sc,
"8727 Power fault has been detected on port %d\n",
oc_port);
elink_cb_event_log(sc, ELINK_LOG_ID_OVER_CURRENT, oc_port); //"Error: Power fault on Port %d has "
// "been detected and the power to "
// "that SFP+ module has been removed "
// "to prevent failure of the card. "
// "Please remove the SFP+ module and "
// "restart the system to clear this "
// "error.\n",
/* Disable all RX_ALARMs except for mod_abs */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_LASI_RXCTRL, (1<<5));
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
/* Wait for module_absent_event */
val1 |= (1<<8);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_PHY_IDENTIFIER, val1);
/* Clear RX alarm */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
elink_8727_power_module(params->sc, phy, 0);
return 0;
}
} /* Over current check */
/* When module absent bit is set, check module */
if (rx_alarm_status & (1<<5)) {
elink_8727_handle_mod_abs(phy, params);
/* Enable all mod_abs and link detection bits */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
((1<<5) | (1<<2)));
}
if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED)) {
ELINK_DEBUG_P0(sc, "Enabling 8727 TX laser\n");
elink_sfp_set_transmitter(params, phy, 1);
} else {
ELINK_DEBUG_P0(sc, "Tx is disabled\n");
return 0;
}
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
/* Bits 0..2 --> speed detected,
* Bits 13..15--> link is down
*/
if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
link_up = 1;
vars->line_speed = ELINK_SPEED_10000;
ELINK_DEBUG_P1(sc, "port %x: External link up in 10G\n",
params->port);
} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
link_up = 1;
vars->line_speed = ELINK_SPEED_1000;
ELINK_DEBUG_P1(sc, "port %x: External link up in 1G\n",
params->port);
} else {
link_up = 0;
ELINK_DEBUG_P1(sc, "port %x: External link is down\n",
params->port);
}
/* Capture 10G link fault. */
if (vars->line_speed == ELINK_SPEED_10000) {
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
MDIO_PMA_LASI_TXSTAT, &val1);
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
MDIO_PMA_LASI_TXSTAT, &val1);
if (val1 & (1<<0)) {
vars->fault_detected = 1;
}
}
if (link_up) {
elink_ext_phy_resolve_fc(phy, params, vars);
vars->duplex = DUPLEX_FULL;
ELINK_DEBUG_P1(sc, "duplex = 0x%x\n", vars->duplex);
}
if ((ELINK_DUAL_MEDIA(params)) &&
(phy->req_line_speed == ELINK_SPEED_1000)) {
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_PCS_GP, &val1);
/* In case of dual-media board and 1G, power up the XAUI side,
* otherwise power it down. For 10G it is done automatically
*/
if (link_up)
val1 &= ~(3<<10);
else
val1 |= (3<<10);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8727_PCS_GP, val1);
}
return link_up;
}
static void elink_8727_link_reset(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
/* Enable/Disable PHY transmitter output */
elink_set_disable_pmd_transmit(params, phy, 1);
/* Disable Transmitter */
elink_sfp_set_transmitter(params, phy, 0);
/* Clear LASI */
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
}
/******************************************************************/
/* BCM8481/BCM84823/BCM84833 PHY SECTION */
/******************************************************************/
static void elink_save_848xx_spirom_version(struct elink_phy *phy,
struct bxe_softc *sc,
uint8_t port)
{
uint16_t val, fw_ver2, cnt, i;
static struct elink_reg_set reg_set[] = {
{MDIO_PMA_DEVAD, 0xA819, 0x0014},
{MDIO_PMA_DEVAD, 0xA81A, 0xc200},
{MDIO_PMA_DEVAD, 0xA81B, 0x0000},
{MDIO_PMA_DEVAD, 0xA81C, 0x0300},
{MDIO_PMA_DEVAD, 0xA817, 0x0009}
};
uint16_t fw_ver1;
if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
elink_save_spirom_version(sc, port, fw_ver1 & 0xfff,
phy->ver_addr);
} else {
/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
for (i = 0; i < ARRAY_SIZE(reg_set); i++)
elink_cl45_write(sc, phy, reg_set[i].devad,
reg_set[i].reg, reg_set[i].val);
for (cnt = 0; cnt < 100; cnt++) {
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA818, &val);
if (val & 1)
break;
DELAY(5);
}
if (cnt == 100) {
ELINK_DEBUG_P0(sc, "Unable to read 848xx "
"phy fw version(1)\n");
elink_save_spirom_version(sc, port, 0,
phy->ver_addr);
return;
}
/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
for (cnt = 0; cnt < 100; cnt++) {
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA818, &val);
if (val & 1)
break;
DELAY(5);
}
if (cnt == 100) {
ELINK_DEBUG_P0(sc, "Unable to read 848xx phy fw "
"version(2)\n");
elink_save_spirom_version(sc, port, 0,
phy->ver_addr);
return;
}
/* lower 16 bits of the register SPI_FW_STATUS */
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
/* upper 16 bits of register SPI_FW_STATUS */
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
elink_save_spirom_version(sc, port, (fw_ver2<<16) | fw_ver1,
phy->ver_addr);
}
}
static void elink_848xx_set_led(struct bxe_softc *sc,
struct elink_phy *phy)
{
uint16_t val, offset, i;
static struct elink_reg_set reg_set[] = {
{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
{MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
{MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
};
/* PHYC_CTL_LED_CTL */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
val &= 0xFE00;
val |= 0x0092;
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LINK_SIGNAL, val);
for (i = 0; i < ARRAY_SIZE(reg_set); i++)
elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
reg_set[i].val);
if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
else
offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
/* stretch_en for LED3*/
elink_cl45_read_or_write(sc, phy,
MDIO_PMA_DEVAD, offset,
MDIO_PMA_REG_84823_LED3_STRETCH_EN);
}
static void elink_848xx_specific_func(struct elink_phy *phy,
struct elink_params *params,
uint32_t action)
{
struct bxe_softc *sc = params->sc;
switch (action) {
case ELINK_PHY_INIT:
if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
(phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
/* Save spirom version */
elink_save_848xx_spirom_version(phy, sc, params->port);
}
/* This phy uses the NIG latch mechanism since link indication
* arrives through its LED4 and not via its LASI signal, so we
* get steady signal instead of clear on read
*/
elink_bits_en(sc, NIG_REG_LATCH_BC_0 + params->port*4,
1 << ELINK_NIG_LATCH_BC_ENABLE_MI_INT);
elink_848xx_set_led(sc, phy);
break;
}
}
static elink_status_t elink_848xx_cmn_config_init(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint16_t autoneg_val, an_1000_val, an_10_100_val;
elink_848xx_specific_func(phy, params, ELINK_PHY_INIT);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
/* set 1000 speed advertisement */
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
&an_1000_val);
elink_ext_phy_set_pause(params, phy, vars);
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_LEGACY_AN_ADV,
&an_10_100_val);
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
&autoneg_val);
/* Disable forced speed */
autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
(phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
(phy->req_line_speed == ELINK_SPEED_1000)) {
an_1000_val |= (1<<8);
autoneg_val |= (1<<9 | 1<<12);
if (phy->req_duplex == DUPLEX_FULL)
an_1000_val |= (1<<9);
ELINK_DEBUG_P0(sc, "Advertising 1G\n");
} else
an_1000_val &= ~((1<<8) | (1<<9));
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
an_1000_val);
/* Set 10/100 speed advertisement */
if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
if (phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
/* Enable autoneg and restart autoneg for legacy speeds
*/
autoneg_val |= (1<<9 | 1<<12);
an_10_100_val |= (1<<8);
ELINK_DEBUG_P0(sc, "Advertising 100M-FD\n");
}
if (phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
/* Enable autoneg and restart autoneg for legacy speeds
*/
autoneg_val |= (1<<9 | 1<<12);
an_10_100_val |= (1<<7);
ELINK_DEBUG_P0(sc, "Advertising 100M-HD\n");
}
if ((phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
(phy->supported & ELINK_SUPPORTED_10baseT_Full)) {
an_10_100_val |= (1<<6);
autoneg_val |= (1<<9 | 1<<12);
ELINK_DEBUG_P0(sc, "Advertising 10M-FD\n");
}
if ((phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
(phy->supported & ELINK_SUPPORTED_10baseT_Half)) {
an_10_100_val |= (1<<5);
autoneg_val |= (1<<9 | 1<<12);
ELINK_DEBUG_P0(sc, "Advertising 10M-HD\n");
}
}
/* Only 10/100 are allowed to work in FORCE mode */
if ((phy->req_line_speed == ELINK_SPEED_100) &&
(phy->supported &
(ELINK_SUPPORTED_100baseT_Half |
ELINK_SUPPORTED_100baseT_Full))) {
autoneg_val |= (1<<13);
/* Enabled AUTO-MDIX when autoneg is disabled */
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
(1<<15 | 1<<9 | 7<<0));
/* The PHY needs this set even for forced link. */
an_10_100_val |= (1<<8) | (1<<7);
ELINK_DEBUG_P0(sc, "Setting 100M force\n");
}
if ((phy->req_line_speed == ELINK_SPEED_10) &&
(phy->supported &
(ELINK_SUPPORTED_10baseT_Half |
ELINK_SUPPORTED_10baseT_Full))) {
/* Enabled AUTO-MDIX when autoneg is disabled */
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
(1<<15 | 1<<9 | 7<<0));
ELINK_DEBUG_P0(sc, "Setting 10M force\n");
}
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
an_10_100_val);
if (phy->req_duplex == DUPLEX_FULL)
autoneg_val |= (1<<8);
/* Always write this if this is not 84833/4.
* For 84833/4, write it only when it's a forced speed.
*/
if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
(phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
((autoneg_val & (1<<12)) == 0))
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
(phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
(phy->req_line_speed == ELINK_SPEED_10000)) {
ELINK_DEBUG_P0(sc, "Advertising 10G\n");
/* Restart autoneg for 10G*/
elink_cl45_read_or_write(
sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
0x1000);
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
0x3200);
} else
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
1);
return ELINK_STATUS_OK;
}
static elink_status_t elink_8481_config_init(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
/* Restore normal power mode*/
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
/* HW reset */
elink_ext_phy_hw_reset(sc, params->port);
elink_wait_reset_complete(sc, phy, params);
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
return elink_848xx_cmn_config_init(phy, params, vars);
}
#define PHY84833_CMDHDLR_WAIT 300
#define PHY84833_CMDHDLR_MAX_ARGS 5
static elink_status_t elink_84833_cmd_hdlr(struct elink_phy *phy,
struct elink_params *params, uint16_t fw_cmd,
uint16_t cmd_args[], int argc)
{
int idx;
uint16_t val;
struct bxe_softc *sc = params->sc;
/* Write CMD_OPEN_OVERRIDE to STATUS reg */
elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
MDIO_84833_CMD_HDLR_STATUS,
PHY84833_STATUS_CMD_OPEN_OVERRIDE);
for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
MDIO_84833_CMD_HDLR_STATUS, &val);
if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
break;
DELAY(1000 * 1);
}
if (idx >= PHY84833_CMDHDLR_WAIT) {
ELINK_DEBUG_P0(sc, "FW cmd: FW not ready.\n");
return ELINK_STATUS_ERROR;
}
/* Prepare argument(s) and issue command */
for (idx = 0; idx < argc; idx++) {
elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
MDIO_84833_CMD_HDLR_DATA1 + idx,
cmd_args[idx]);
}
elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
MDIO_84833_CMD_HDLR_STATUS, &val);
if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
(val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
break;
DELAY(1000 * 1);
}
if ((idx >= PHY84833_CMDHDLR_WAIT) ||
(val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
ELINK_DEBUG_P0(sc, "FW cmd failed.\n");
return ELINK_STATUS_ERROR;
}
/* Gather returning data */
for (idx = 0; idx < argc; idx++) {
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
MDIO_84833_CMD_HDLR_DATA1 + idx,
&cmd_args[idx]);
}
elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
MDIO_84833_CMD_HDLR_STATUS,
PHY84833_STATUS_CMD_CLEAR_COMPLETE);
return ELINK_STATUS_OK;
}
static elink_status_t elink_84833_pair_swap_cfg(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
uint32_t pair_swap;
uint16_t data[PHY84833_CMDHDLR_MAX_ARGS];
elink_status_t status;
struct bxe_softc *sc = params->sc;
/* Check for configuration. */
pair_swap = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
if (pair_swap == 0)
return ELINK_STATUS_OK;
/* Only the second argument is used for this command */
data[1] = (uint16_t)pair_swap;
status = elink_84833_cmd_hdlr(phy, params,
PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
if (status == ELINK_STATUS_OK)
ELINK_DEBUG_P1(sc, "Pairswap OK, val=0x%x\n", data[1]);
return status;
}
static uint8_t elink_84833_get_reset_gpios(struct bxe_softc *sc,
uint32_t shmem_base_path[],
uint32_t chip_id)
{
uint32_t reset_pin[2];
uint32_t idx;
uint8_t reset_gpios;
if (CHIP_IS_E3(sc)) {
/* Assume that these will be GPIOs, not EPIOs. */
for (idx = 0; idx < 2; idx++) {
/* Map config param to register bit. */
reset_pin[idx] = REG_RD(sc, shmem_base_path[idx] +
offsetof(struct shmem_region,
dev_info.port_hw_config[0].e3_cmn_pin_cfg));
reset_pin[idx] = (reset_pin[idx] &
PORT_HW_CFG_E3_PHY_RESET_MASK) >>
PORT_HW_CFG_E3_PHY_RESET_SHIFT;
reset_pin[idx] -= PIN_CFG_GPIO0_P0;
reset_pin[idx] = (1 << reset_pin[idx]);
}
reset_gpios = (uint8_t)(reset_pin[0] | reset_pin[1]);
} else {
/* E2, look from diff place of shmem. */
for (idx = 0; idx < 2; idx++) {
reset_pin[idx] = REG_RD(sc, shmem_base_path[idx] +
offsetof(struct shmem_region,
dev_info.port_hw_config[0].default_cfg));
reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
reset_pin[idx] = (1 << reset_pin[idx]);
}
reset_gpios = (uint8_t)(reset_pin[0] | reset_pin[1]);
}
return reset_gpios;
}
static elink_status_t elink_84833_hw_reset_phy(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint8_t reset_gpios;
uint32_t other_shmem_base_addr = REG_RD(sc, params->shmem2_base +
offsetof(struct shmem2_region,
other_shmem_base_addr));
uint32_t shmem_base_path[2];
/* Work around for 84833 LED failure inside RESET status */
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_8481_LEGACY_MII_CTRL,
MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
shmem_base_path[0] = params->shmem_base;
shmem_base_path[1] = other_shmem_base_addr;
reset_gpios = elink_84833_get_reset_gpios(sc, shmem_base_path,
params->chip_id);
elink_cb_gpio_mult_write(sc, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
DELAY(10);
ELINK_DEBUG_P1(sc, "84833 hw reset on pin values 0x%x\n",
reset_gpios);
return ELINK_STATUS_OK;
}
static elink_status_t elink_8483x_disable_eee(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
elink_status_t rc;
struct bxe_softc *sc = params->sc;
uint16_t cmd_args = 0;
ELINK_DEBUG_P0(sc, "Don't Advertise 10GBase-T EEE\n");
/* Prevent Phy from working in EEE and advertising it */
rc = elink_84833_cmd_hdlr(phy, params,
PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
if (rc != ELINK_STATUS_OK) {
ELINK_DEBUG_P0(sc, "EEE disable failed.\n");
return rc;
}
return elink_eee_disable(phy, params, vars);
}
static elink_status_t elink_8483x_enable_eee(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
elink_status_t rc;
struct bxe_softc *sc = params->sc;
uint16_t cmd_args = 1;
rc = elink_84833_cmd_hdlr(phy, params,
PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
if (rc != ELINK_STATUS_OK) {
ELINK_DEBUG_P0(sc, "EEE enable failed.\n");
return rc;
}
return elink_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
}
#define PHY84833_CONSTANT_LATENCY 1193
static elink_status_t elink_848x3_config_init(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint8_t port, initialize = 1;
uint16_t val;
uint32_t actual_phy_selection;
uint16_t cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
elink_status_t rc = ELINK_STATUS_OK;
DELAY(1000 * 1);
if (!(CHIP_IS_E1x(sc)))
port = SC_PATH(sc);
else
port = params->port;
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_3,
MISC_REGISTERS_GPIO_OUTPUT_HIGH,
port);
} else {
/* MDIO reset */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_CTRL, 0x8000);
}
elink_wait_reset_complete(sc, phy, params);
/* Wait for GPHY to come out of reset */
DELAY(1000 * 50);
if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
(phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
/* BCM84823 requires that XGXS links up first @ 10G for normal
* behavior.
*/
uint16_t temp;
temp = vars->line_speed;
vars->line_speed = ELINK_SPEED_10000;
elink_set_autoneg(&params->phy[ELINK_INT_PHY], params, vars, 0);
elink_program_serdes(&params->phy[ELINK_INT_PHY], params, vars);
vars->line_speed = temp;
}
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
MDIO_CTL_REG_84823_MEDIA, &val);
val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
if (CHIP_IS_E3(sc)) {
val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
} else {
val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
}
actual_phy_selection = elink_phy_selection(params);
switch (actual_phy_selection) {
case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
/* Do nothing. Essentially this is like the priority copper */
break;
case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
break;
case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
break;
case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
/* Do nothing here. The first PHY won't be initialized at all */
break;
case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
initialize = 0;
break;
}
if (params->phy[ELINK_EXT_PHY2].req_line_speed == ELINK_SPEED_1000)
val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
MDIO_CTL_REG_84823_MEDIA, val);
ELINK_DEBUG_P2(sc, "Multi_phy config = 0x%x, Media control = 0x%x\n",
params->multi_phy_config, val);
if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
elink_84833_pair_swap_cfg(phy, params, vars);
/* Keep AutogrEEEn disabled. */
cmd_args[0] = 0x0;
cmd_args[1] = 0x0;
cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
cmd_args[3] = PHY84833_CONSTANT_LATENCY;
rc = elink_84833_cmd_hdlr(phy, params,
PHY84833_CMD_SET_EEE_MODE, cmd_args,
PHY84833_CMDHDLR_MAX_ARGS);
if (rc != ELINK_STATUS_OK)
ELINK_DEBUG_P0(sc, "Cfg AutogrEEEn failed.\n");
}
if (initialize)
rc = elink_848xx_cmn_config_init(phy, params, vars);
else
elink_save_848xx_spirom_version(phy, sc, params->port);
/* 84833 PHY has a better feature and doesn't need to support this. */
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
uint32_t cms_enable = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[params->port].default_cfg)) &
PORT_HW_CFG_ENABLE_CMS_MASK;
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
if (cms_enable)
val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
else
val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
MDIO_CTL_REG_84823_USER_CTRL_REG, val);
}
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_FW_REV, &val);
/* Configure EEE support */
if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
(val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
elink_eee_has_cap(params)) {
rc = elink_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
if (rc != ELINK_STATUS_OK) {
ELINK_DEBUG_P0(sc, "Failed to configure EEE timers\n");
elink_8483x_disable_eee(phy, params, vars);
return rc;
}
if ((phy->req_duplex == DUPLEX_FULL) &&
(params->eee_mode & ELINK_EEE_MODE_ADV_LPI) &&
(elink_eee_calc_timer(params) ||
!(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)))
rc = elink_8483x_enable_eee(phy, params, vars);
else
rc = elink_8483x_disable_eee(phy, params, vars);
if (rc != ELINK_STATUS_OK) {
ELINK_DEBUG_P0(sc, "Failed to set EEE advertisement\n");
return rc;
}
} else {
vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
}
if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
/* Bring PHY out of super isolate mode as the final step. */
elink_cl45_read_and_write(sc, phy,
MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_XGPHY_STRAP1,
(uint16_t)~MDIO_84833_SUPER_ISOLATE);
}
return rc;
}
static uint8_t elink_848xx_read_status(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint16_t val, val1, val2;
uint8_t link_up = 0;
/* Check 10G-BaseT link status */
/* Check PMD signal ok */
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD, 0xFFFA, &val1);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
&val2);
ELINK_DEBUG_P1(sc, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
/* Check link 10G */
if (val2 & (1<<11)) {
vars->line_speed = ELINK_SPEED_10000;
vars->duplex = DUPLEX_FULL;
link_up = 1;
elink_ext_phy_10G_an_resolve(sc, phy, vars);
} else { /* Check Legacy speed link */
uint16_t legacy_status, legacy_speed, mii_ctrl;
/* Enable expansion register 0x42 (Operation mode status) */
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
/* Get legacy speed operation status */
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
&legacy_status);
ELINK_DEBUG_P1(sc, "Legacy speed status = 0x%x\n",
legacy_status);
link_up = ((legacy_status & (1<<11)) == (1<<11));
legacy_speed = (legacy_status & (3<<9));
if (legacy_speed == (0<<9))
vars->line_speed = ELINK_SPEED_10;
else if (legacy_speed == (1<<9))
vars->line_speed = ELINK_SPEED_100;
else if (legacy_speed == (2<<9))
vars->line_speed = ELINK_SPEED_1000;
else { /* Should not happen: Treat as link down */
vars->line_speed = 0;
link_up = 0;
}
if (params->feature_config_flags &
ELINK_FEATURE_CONFIG_IEEE_PHY_TEST) {
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_LEGACY_MII_CTRL,
&mii_ctrl);
/* For IEEE testing, check for a fake link. */
link_up |= ((mii_ctrl & 0x3040) == 0x40);
}
if (link_up) {
if (legacy_status & (1<<8))
vars->duplex = DUPLEX_FULL;
else
vars->duplex = DUPLEX_HALF;
ELINK_DEBUG_P2(sc,
"Link is up in %dMbps, is_duplex_full= %d\n",
vars->line_speed,
(vars->duplex == DUPLEX_FULL));
/* Check legacy speed AN resolution */
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_LEGACY_MII_STATUS,
&val);
if (val & (1<<5))
vars->link_status |=
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD,
MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
&val);
if ((val & (1<<0)) == 0)
vars->link_status |=
LINK_STATUS_PARALLEL_DETECTION_USED;
}
}
if (link_up) {
ELINK_DEBUG_P1(sc, "BCM848x3: link speed is %d\n",
vars->line_speed);
elink_ext_phy_resolve_fc(phy, params, vars);
/* Read LP advertised speeds */
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_CL37_FC_LP, &val);
if (val & (1<<5))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
if (val & (1<<6))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
if (val & (1<<7))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
if (val & (1<<8))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
if (val & (1<<9))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_1000T_STATUS, &val);
if (val & (1<<10))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
if (val & (1<<11))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_MASTER_STATUS, &val);
if (val & (1<<11))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
/* Determine if EEE was negotiated */
if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
elink_eee_an_resolve(phy, params, vars);
}
return link_up;
}
static elink_status_t elink_848xx_format_ver(uint32_t raw_ver, uint8_t *str, uint16_t *len)
{
elink_status_t status = ELINK_STATUS_OK;
uint32_t spirom_ver;
spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
status = elink_format_ver(spirom_ver, str, len);
return status;
}
static void elink_8481_hw_reset(struct elink_phy *phy,
struct elink_params *params)
{
elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
}
static void elink_8481_link_reset(struct elink_phy *phy,
struct elink_params *params)
{
elink_cl45_write(params->sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
elink_cl45_write(params->sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
}
static void elink_848x3_link_reset(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint8_t port;
uint16_t val16;
if (!(CHIP_IS_E1x(sc)))
port = SC_PATH(sc);
else
port = params->port;
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_3,
MISC_REGISTERS_GPIO_OUTPUT_LOW,
port);
} else {
elink_cl45_read(sc, phy,
MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
val16 |= MDIO_84833_SUPER_ISOLATE;
elink_cl45_write(sc, phy,
MDIO_CTL_DEVAD,
MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
}
}
static void elink_848xx_set_link_led(struct elink_phy *phy,
struct elink_params *params, uint8_t mode)
{
struct bxe_softc *sc = params->sc;
uint16_t val;
uint8_t port;
if (!(CHIP_IS_E1x(sc)))
port = SC_PATH(sc);
else
port = params->port;
switch (mode) {
case ELINK_LED_MODE_OFF:
ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE OFF\n", port);
if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
SHARED_HW_CFG_LED_EXTPHY1) {
/* Set LED masks */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x0);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED2_MASK,
0x0);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED3_MASK,
0x0);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED5_MASK,
0x0);
} else {
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x0);
}
break;
case ELINK_LED_MODE_FRONT_PANEL_OFF:
ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
port);
if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
SHARED_HW_CFG_LED_EXTPHY1) {
/* Set LED masks */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x0);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED2_MASK,
0x0);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED3_MASK,
0x0);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED5_MASK,
0x20);
} else {
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x0);
if (phy->type ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
/* Disable MI_INT interrupt before setting LED4
* source to constant off.
*/
if (REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
params->port*4) &
ELINK_NIG_MASK_MI_INT) {
params->link_flags |=
ELINK_LINK_FLAGS_INT_DISABLED;
elink_bits_dis(
sc,
NIG_REG_MASK_INTERRUPT_PORT0 +
params->port*4,
ELINK_NIG_MASK_MI_INT);
}
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_SIGNAL_MASK,
0x0);
}
}
break;
case ELINK_LED_MODE_ON:
ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE ON\n", port);
if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
SHARED_HW_CFG_LED_EXTPHY1) {
/* Set control reg */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LINK_SIGNAL,
&val);
val &= 0x8000;
val |= 0x2492;
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LINK_SIGNAL,
val);
/* Set LED masks */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x0);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED2_MASK,
0x20);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED3_MASK,
0x20);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED5_MASK,
0x0);
} else {
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x20);
if (phy->type ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
/* Disable MI_INT interrupt before setting LED4
* source to constant on.
*/
if (REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
params->port*4) &
ELINK_NIG_MASK_MI_INT) {
params->link_flags |=
ELINK_LINK_FLAGS_INT_DISABLED;
elink_bits_dis(
sc,
NIG_REG_MASK_INTERRUPT_PORT0 +
params->port*4,
ELINK_NIG_MASK_MI_INT);
}
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_SIGNAL_MASK,
0x20);
}
}
break;
case ELINK_LED_MODE_OPER:
ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE OPER\n", port);
if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
SHARED_HW_CFG_LED_EXTPHY1) {
/* Set control reg */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LINK_SIGNAL,
&val);
if (!((val &
MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
>> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
ELINK_DEBUG_P0(sc, "Setting LINK_SIGNAL\n");
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LINK_SIGNAL,
0xa492);
}
/* Set LED masks */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
0x10);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED2_MASK,
0x80);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED3_MASK,
0x98);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED5_MASK,
0x40);
} else {
/* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
* sources are all wired through LED1, rather than only
* 10G in other modes.
*/
val = ((params->hw_led_mode <<
SHARED_HW_CFG_LED_MODE_SHIFT) ==
SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED1_MASK,
val);
/* Tell LED3 to blink on source */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LINK_SIGNAL,
&val);
val &= ~(7<<6);
val |= (1<<6); /* A83B[8:6]= 1 */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LINK_SIGNAL,
val);
if (phy->type ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
/* Restore LED4 source to external link,
* and re-enable interrupts.
*/
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_SIGNAL_MASK,
0x40);
if (params->link_flags &
ELINK_LINK_FLAGS_INT_DISABLED) {
elink_link_int_enable(params);
params->link_flags &=
~ELINK_LINK_FLAGS_INT_DISABLED;
}
}
}
break;
}
/* This is a workaround for E3+84833 until autoneg
* restart is fixed in f/w
*/
if (CHIP_IS_E3(sc)) {
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
}
}
/******************************************************************/
/* 54618SE PHY SECTION */
/******************************************************************/
static void elink_54618se_specific_func(struct elink_phy *phy,
struct elink_params *params,
uint32_t action)
{
struct bxe_softc *sc = params->sc;
uint16_t temp;
switch (action) {
case ELINK_PHY_INIT:
/* Configure LED4: set to INTR (0x6). */
/* Accessing shadow register 0xe. */
elink_cl22_write(sc, phy,
MDIO_REG_GPHY_SHADOW,
MDIO_REG_GPHY_SHADOW_LED_SEL2);
elink_cl22_read(sc, phy,
MDIO_REG_GPHY_SHADOW,
&temp);
temp &= ~(0xf << 4);
temp |= (0x6 << 4);
elink_cl22_write(sc, phy,
MDIO_REG_GPHY_SHADOW,
MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
/* Configure INTR based on link status change. */
elink_cl22_write(sc, phy,
MDIO_REG_INTR_MASK,
~MDIO_REG_INTR_MASK_LINK_STATUS);
break;
}
}
static elink_status_t elink_54618se_config_init(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint8_t port;
uint16_t autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
uint32_t cfg_pin;
ELINK_DEBUG_P0(sc, "54618SE cfg init\n");
DELAY(1000 * 1);
/* This works with E3 only, no need to check the chip
* before determining the port.
*/
port = params->port;
cfg_pin = (REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
PORT_HW_CFG_E3_PHY_RESET_MASK) >>
PORT_HW_CFG_E3_PHY_RESET_SHIFT;
/* Drive pin high to bring the GPHY out of reset. */
elink_set_cfg_pin(sc, cfg_pin, 1);
/* wait for GPHY to reset */
DELAY(1000 * 50);
/* reset phy */
elink_cl22_write(sc, phy,
MDIO_PMA_REG_CTRL, 0x8000);
elink_wait_reset_complete(sc, phy, params);
/* Wait for GPHY to reset */
DELAY(1000 * 50);
elink_54618se_specific_func(phy, params, ELINK_PHY_INIT);
/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
elink_cl22_write(sc, phy,
MDIO_REG_GPHY_SHADOW,
MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
elink_cl22_read(sc, phy,
MDIO_REG_GPHY_SHADOW,
&temp);
temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
elink_cl22_write(sc, phy,
MDIO_REG_GPHY_SHADOW,
MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
/* Set up fc */
/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
fc_val = 0;
if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
/* Read all advertisement */
elink_cl22_read(sc, phy,
0x09,
&an_1000_val);
elink_cl22_read(sc, phy,
0x04,
&an_10_100_val);
elink_cl22_read(sc, phy,
MDIO_PMA_REG_CTRL,
&autoneg_val);
/* Disable forced speed */
autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
(1<<11));
if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
(phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
(phy->req_line_speed == ELINK_SPEED_1000)) {
an_1000_val |= (1<<8);
autoneg_val |= (1<<9 | 1<<12);
if (phy->req_duplex == DUPLEX_FULL)
an_1000_val |= (1<<9);
ELINK_DEBUG_P0(sc, "Advertising 1G\n");
} else
an_1000_val &= ~((1<<8) | (1<<9));
elink_cl22_write(sc, phy,
0x09,
an_1000_val);
elink_cl22_read(sc, phy,
0x09,
&an_1000_val);
/* Advertise 10/100 link speed */
if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
if (phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
an_10_100_val |= (1<<5);
autoneg_val |= (1<<9 | 1<<12);
ELINK_DEBUG_P0(sc, "Advertising 10M-HD\n");
}
if (phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
an_10_100_val |= (1<<6);
autoneg_val |= (1<<9 | 1<<12);
ELINK_DEBUG_P0(sc, "Advertising 10M-FD\n");
}
if (phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
an_10_100_val |= (1<<7);
autoneg_val |= (1<<9 | 1<<12);
ELINK_DEBUG_P0(sc, "Advertising 100M-HD\n");
}
if (phy->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
an_10_100_val |= (1<<8);
autoneg_val |= (1<<9 | 1<<12);
ELINK_DEBUG_P0(sc, "Advertising 100M-FD\n");
}
}
/* Only 10/100 are allowed to work in FORCE mode */
if (phy->req_line_speed == ELINK_SPEED_100) {
autoneg_val |= (1<<13);
/* Enabled AUTO-MDIX when autoneg is disabled */
elink_cl22_write(sc, phy,
0x18,
(1<<15 | 1<<9 | 7<<0));
ELINK_DEBUG_P0(sc, "Setting 100M force\n");
}
if (phy->req_line_speed == ELINK_SPEED_10) {
/* Enabled AUTO-MDIX when autoneg is disabled */
elink_cl22_write(sc, phy,
0x18,
(1<<15 | 1<<9 | 7<<0));
ELINK_DEBUG_P0(sc, "Setting 10M force\n");
}
if ((phy->flags & ELINK_FLAGS_EEE) && elink_eee_has_cap(params)) {
elink_status_t rc;
elink_cl22_write(sc, phy, MDIO_REG_GPHY_EXP_ACCESS,
MDIO_REG_GPHY_EXP_ACCESS_TOP |
MDIO_REG_GPHY_EXP_TOP_2K_BUF);
elink_cl22_read(sc, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
temp &= 0xfffe;
elink_cl22_write(sc, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
rc = elink_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
if (rc != ELINK_STATUS_OK) {
ELINK_DEBUG_P0(sc, "Failed to configure EEE timers\n");
elink_eee_disable(phy, params, vars);
} else if ((params->eee_mode & ELINK_EEE_MODE_ADV_LPI) &&
(phy->req_duplex == DUPLEX_FULL) &&
(elink_eee_calc_timer(params) ||
!(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI))) {
/* Need to advertise EEE only when requested,
* and either no LPI assertion was requested,
* or it was requested and a valid timer was set.
* Also notice full duplex is required for EEE.
*/
elink_eee_advertise(phy, params, vars,
SHMEM_EEE_1G_ADV);
} else {
ELINK_DEBUG_P0(sc, "Don't Advertise 1GBase-T EEE\n");
elink_eee_disable(phy, params, vars);
}
} else {
vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
SHMEM_EEE_SUPPORTED_SHIFT;
if (phy->flags & ELINK_FLAGS_EEE) {
/* Handle legacy auto-grEEEn */
if (params->feature_config_flags &
ELINK_FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
temp = 6;
ELINK_DEBUG_P0(sc, "Enabling Auto-GrEEEn\n");
} else {
temp = 0;
ELINK_DEBUG_P0(sc, "Don't Adv. EEE\n");
}
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_EEE_ADV, temp);
}
}
elink_cl22_write(sc, phy,
0x04,
an_10_100_val | fc_val);
if (phy->req_duplex == DUPLEX_FULL)
autoneg_val |= (1<<8);
elink_cl22_write(sc, phy,
MDIO_PMA_REG_CTRL, autoneg_val);
return ELINK_STATUS_OK;
}
static void elink_5461x_set_link_led(struct elink_phy *phy,
struct elink_params *params, uint8_t mode)
{
struct bxe_softc *sc = params->sc;
uint16_t temp;
elink_cl22_write(sc, phy,
MDIO_REG_GPHY_SHADOW,
MDIO_REG_GPHY_SHADOW_LED_SEL1);
elink_cl22_read(sc, phy,
MDIO_REG_GPHY_SHADOW,
&temp);
temp &= 0xff00;
ELINK_DEBUG_P1(sc, "54618x set link led (mode=%x)\n", mode);
switch (mode) {
case ELINK_LED_MODE_FRONT_PANEL_OFF:
case ELINK_LED_MODE_OFF:
temp |= 0x00ee;
break;
case ELINK_LED_MODE_OPER:
temp |= 0x0001;
break;
case ELINK_LED_MODE_ON:
temp |= 0x00ff;
break;
default:
break;
}
elink_cl22_write(sc, phy,
MDIO_REG_GPHY_SHADOW,
MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
return;
}
static void elink_54618se_link_reset(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint32_t cfg_pin;
uint8_t port;
/* In case of no EPIO routed to reset the GPHY, put it
* in low power mode.
*/
elink_cl22_write(sc, phy, MDIO_PMA_REG_CTRL, 0x800);
/* This works with E3 only, no need to check the chip
* before determining the port.
*/
port = params->port;
cfg_pin = (REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
PORT_HW_CFG_E3_PHY_RESET_MASK) >>
PORT_HW_CFG_E3_PHY_RESET_SHIFT;
/* Drive pin low to put GPHY in reset. */
elink_set_cfg_pin(sc, cfg_pin, 0);
}
static uint8_t elink_54618se_read_status(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint16_t val;
uint8_t link_up = 0;
uint16_t legacy_status, legacy_speed;
/* Get speed operation status */
elink_cl22_read(sc, phy,
MDIO_REG_GPHY_AUX_STATUS,
&legacy_status);
ELINK_DEBUG_P1(sc, "54618SE read_status: 0x%x\n", legacy_status);
/* Read status to clear the PHY interrupt. */
elink_cl22_read(sc, phy,
MDIO_REG_INTR_STATUS,
&val);
link_up = ((legacy_status & (1<<2)) == (1<<2));
if (link_up) {
legacy_speed = (legacy_status & (7<<8));
if (legacy_speed == (7<<8)) {
vars->line_speed = ELINK_SPEED_1000;
vars->duplex = DUPLEX_FULL;
} else if (legacy_speed == (6<<8)) {
vars->line_speed = ELINK_SPEED_1000;
vars->duplex = DUPLEX_HALF;
} else if (legacy_speed == (5<<8)) {
vars->line_speed = ELINK_SPEED_100;
vars->duplex = DUPLEX_FULL;
}
/* Omitting 100Base-T4 for now */
else if (legacy_speed == (3<<8)) {
vars->line_speed = ELINK_SPEED_100;
vars->duplex = DUPLEX_HALF;
} else if (legacy_speed == (2<<8)) {
vars->line_speed = ELINK_SPEED_10;
vars->duplex = DUPLEX_FULL;
} else if (legacy_speed == (1<<8)) {
vars->line_speed = ELINK_SPEED_10;
vars->duplex = DUPLEX_HALF;
} else /* Should not happen */
vars->line_speed = 0;
ELINK_DEBUG_P2(sc,
"Link is up in %dMbps, is_duplex_full= %d\n",
vars->line_speed,
(vars->duplex == DUPLEX_FULL));
/* Check legacy speed AN resolution */
elink_cl22_read(sc, phy,
0x01,
&val);
if (val & (1<<5))
vars->link_status |=
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
elink_cl22_read(sc, phy,
0x06,
&val);
if ((val & (1<<0)) == 0)
vars->link_status |=
LINK_STATUS_PARALLEL_DETECTION_USED;
ELINK_DEBUG_P1(sc, "BCM54618SE: link speed is %d\n",
vars->line_speed);
elink_ext_phy_resolve_fc(phy, params, vars);
if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
/* Report LP advertised speeds */
elink_cl22_read(sc, phy, 0x5, &val);
if (val & (1<<5))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
if (val & (1<<6))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
if (val & (1<<7))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
if (val & (1<<8))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
if (val & (1<<9))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
elink_cl22_read(sc, phy, 0xa, &val);
if (val & (1<<10))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
if (val & (1<<11))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
if ((phy->flags & ELINK_FLAGS_EEE) &&
elink_eee_has_cap(params))
elink_eee_an_resolve(phy, params, vars);
}
}
return link_up;
}
static void elink_54618se_config_loopback(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
uint16_t val;
uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
ELINK_DEBUG_P0(sc, "2PMA/PMD ext_phy_loopback: 54618se\n");
/* Enable master/slave manual mmode and set to master */
/* mii write 9 [bits set 11 12] */
elink_cl22_write(sc, phy, 0x09, 3<<11);
/* forced 1G and disable autoneg */
/* set val [mii read 0] */
/* set val [expr $val & [bits clear 6 12 13]] */
/* set val [expr $val | [bits set 6 8]] */
/* mii write 0 $val */
elink_cl22_read(sc, phy, 0x00, &val);
val &= ~((1<<6) | (1<<12) | (1<<13));
val |= (1<<6) | (1<<8);
elink_cl22_write(sc, phy, 0x00, val);
/* Set external loopback and Tx using 6dB coding */
/* mii write 0x18 7 */
/* set val [mii read 0x18] */
/* mii write 0x18 [expr $val | [bits set 10 15]] */
elink_cl22_write(sc, phy, 0x18, 7);
elink_cl22_read(sc, phy, 0x18, &val);
elink_cl22_write(sc, phy, 0x18, val | (1<<10) | (1<<15));
/* This register opens the gate for the UMAC despite its name */
REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
* length used by the MAC receive logic to check frames.
*/
REG_WR(sc, umac_base + UMAC_REG_MAXFR, 0x2710);
}
/******************************************************************/
/* SFX7101 PHY SECTION */
/******************************************************************/
static void elink_7101_config_loopback(struct elink_phy *phy,
struct elink_params *params)
{
struct bxe_softc *sc = params->sc;
/* SFX7101_XGXS_TEST1 */
elink_cl45_write(sc, phy,
MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
}
static elink_status_t elink_7101_config_init(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
uint16_t fw_ver1, fw_ver2, val;
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P0(sc, "Setting the SFX7101 LASI indication\n");
/* Restore normal power mode*/
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
/* HW reset */
elink_ext_phy_hw_reset(sc, params->port);
elink_wait_reset_complete(sc, phy, params);
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
ELINK_DEBUG_P0(sc, "Setting the SFX7101 LED to blink on traffic\n");
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
elink_ext_phy_set_pause(params, phy, vars);
/* Restart autoneg */
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
val |= 0x200;
elink_cl45_write(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
/* Save spirom version */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
elink_save_spirom_version(sc, params->port,
(uint32_t)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
return ELINK_STATUS_OK;
}
static uint8_t elink_7101_read_status(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint8_t link_up;
uint16_t val1, val2;
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
ELINK_DEBUG_P2(sc, "10G-base-T LASI status 0x%x->0x%x\n",
val2, val1);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
ELINK_DEBUG_P2(sc, "10G-base-T PMA status 0x%x->0x%x\n",
val2, val1);
link_up = ((val1 & 4) == 4);
/* If link is up print the AN outcome of the SFX7101 PHY */
if (link_up) {
elink_cl45_read(sc, phy,
MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
&val2);
vars->line_speed = ELINK_SPEED_10000;
vars->duplex = DUPLEX_FULL;
ELINK_DEBUG_P2(sc, "SFX7101 AN status 0x%x->Master=%x\n",
val2, (val2 & (1<<14)));
elink_ext_phy_10G_an_resolve(sc, phy, vars);
elink_ext_phy_resolve_fc(phy, params, vars);
/* Read LP advertised speeds */
if (val2 & (1<<11))
vars->link_status |=
LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
}
return link_up;
}
static elink_status_t elink_7101_format_ver(uint32_t spirom_ver, uint8_t *str, uint16_t *len)
{
if (*len < 5)
return ELINK_STATUS_ERROR;
str[0] = (spirom_ver & 0xFF);
str[1] = (spirom_ver & 0xFF00) >> 8;
str[2] = (spirom_ver & 0xFF0000) >> 16;
str[3] = (spirom_ver & 0xFF000000) >> 24;
str[4] = '\0';
*len -= 5;
return ELINK_STATUS_OK;
}
void elink_sfx7101_sp_sw_reset(struct bxe_softc *sc, struct elink_phy *phy)
{
uint16_t val, cnt;
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_7101_RESET, &val);
for (cnt = 0; cnt < 10; cnt++) {
DELAY(1000 * 50);
/* Writes a self-clearing reset */
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_7101_RESET,
(val | (1<<15)));
/* Wait for clear */
elink_cl45_read(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_7101_RESET, &val);
if ((val & (1<<15)) == 0)
break;
}
}
static void elink_7101_hw_reset(struct elink_phy *phy,
struct elink_params *params) {
/* Low power mode is controlled by GPIO 2 */
elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
/* The PHY reset is controlled by GPIO 1 */
elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
}
static void elink_7101_set_link_led(struct elink_phy *phy,
struct elink_params *params, uint8_t mode)
{
uint16_t val = 0;
struct bxe_softc *sc = params->sc;
switch (mode) {
case ELINK_LED_MODE_FRONT_PANEL_OFF:
case ELINK_LED_MODE_OFF:
val = 2;
break;
case ELINK_LED_MODE_ON:
val = 1;
break;
case ELINK_LED_MODE_OPER:
val = 0;
break;
}
elink_cl45_write(sc, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_7107_LINK_LED_CNTL,
val);
}
/******************************************************************/
/* STATIC PHY DECLARATION */
/******************************************************************/
static const struct elink_phy phy_null = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
.addr = 0,
.def_md_devad = 0,
.flags = ELINK_FLAGS_INIT_XGXS_FIRST,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = 0,
.media_type = ELINK_ETH_PHY_NOT_PRESENT,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)NULL,
.read_status = (read_status_t)NULL,
.link_reset = (link_reset_t)NULL,
.config_loopback = (config_loopback_t)NULL,
.format_fw_ver = (format_fw_ver_t)NULL,
.hw_reset = (hw_reset_t)NULL,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)NULL
};
static const struct elink_phy phy_serdes = {
.type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
.addr = 0xff,
.def_md_devad = 0,
.flags = 0,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (ELINK_SUPPORTED_10baseT_Half |
ELINK_SUPPORTED_10baseT_Full |
ELINK_SUPPORTED_100baseT_Half |
ELINK_SUPPORTED_100baseT_Full |
ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_2500baseX_Full |
ELINK_SUPPORTED_TP |
ELINK_SUPPORTED_Autoneg |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause),
.media_type = ELINK_ETH_PHY_BASE_T,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)elink_xgxs_config_init,
.read_status = (read_status_t)elink_link_settings_status,
.link_reset = (link_reset_t)elink_int_link_reset,
.config_loopback = (config_loopback_t)NULL,
.format_fw_ver = (format_fw_ver_t)NULL,
.hw_reset = (hw_reset_t)NULL,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)NULL
};
static const struct elink_phy phy_xgxs = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
.addr = 0xff,
.def_md_devad = 0,
.flags = 0,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (ELINK_SUPPORTED_10baseT_Half |
ELINK_SUPPORTED_10baseT_Full |
ELINK_SUPPORTED_100baseT_Half |
ELINK_SUPPORTED_100baseT_Full |
ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_2500baseX_Full |
ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_FIBRE |
ELINK_SUPPORTED_Autoneg |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause),
.media_type = ELINK_ETH_PHY_CX4,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)elink_xgxs_config_init,
.read_status = (read_status_t)elink_link_settings_status,
.link_reset = (link_reset_t)elink_int_link_reset,
.config_loopback = (config_loopback_t)elink_set_xgxs_loopback,
.format_fw_ver = (format_fw_ver_t)NULL,
.hw_reset = (hw_reset_t)NULL,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)elink_xgxs_specific_func
};
static const struct elink_phy phy_warpcore = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
.addr = 0xff,
.def_md_devad = 0,
.flags = ELINK_FLAGS_TX_ERROR_CHECK,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (ELINK_SUPPORTED_10baseT_Half |
ELINK_SUPPORTED_10baseT_Full |
ELINK_SUPPORTED_100baseT_Half |
ELINK_SUPPORTED_100baseT_Full |
ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_20000baseKR2_Full |
ELINK_SUPPORTED_20000baseMLD2_Full |
ELINK_SUPPORTED_FIBRE |
ELINK_SUPPORTED_Autoneg |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause),
.media_type = ELINK_ETH_PHY_UNSPECIFIED,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
/* req_duplex = */0,
/* rsrv = */0,
.config_init = (config_init_t)elink_warpcore_config_init,
.read_status = (read_status_t)elink_warpcore_read_status,
.link_reset = (link_reset_t)elink_warpcore_link_reset,
.config_loopback = (config_loopback_t)elink_set_warpcore_loopback,
.format_fw_ver = (format_fw_ver_t)NULL,
.hw_reset = (hw_reset_t)elink_warpcore_hw_reset,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)NULL
};
static const struct elink_phy phy_7101 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
.addr = 0xff,
.def_md_devad = 0,
.flags = ELINK_FLAGS_FAN_FAILURE_DET_REQ,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_TP |
ELINK_SUPPORTED_Autoneg |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause),
.media_type = ELINK_ETH_PHY_BASE_T,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)elink_7101_config_init,
.read_status = (read_status_t)elink_7101_read_status,
.link_reset = (link_reset_t)elink_common_ext_link_reset,
.config_loopback = (config_loopback_t)elink_7101_config_loopback,
.format_fw_ver = (format_fw_ver_t)elink_7101_format_ver,
.hw_reset = (hw_reset_t)elink_7101_hw_reset,
.set_link_led = (set_link_led_t)elink_7101_set_link_led,
.phy_specific_func = (phy_specific_func_t)NULL
};
static const struct elink_phy phy_8073 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
.addr = 0xff,
.def_md_devad = 0,
.flags = 0,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_2500baseX_Full |
ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_FIBRE |
ELINK_SUPPORTED_Autoneg |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause),
.media_type = ELINK_ETH_PHY_KR,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)elink_8073_config_init,
.read_status = (read_status_t)elink_8073_read_status,
.link_reset = (link_reset_t)elink_8073_link_reset,
.config_loopback = (config_loopback_t)NULL,
.format_fw_ver = (format_fw_ver_t)elink_format_ver,
.hw_reset = (hw_reset_t)NULL,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)elink_8073_specific_func
};
static const struct elink_phy phy_8705 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
.addr = 0xff,
.def_md_devad = 0,
.flags = ELINK_FLAGS_INIT_XGXS_FIRST,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_FIBRE |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause),
.media_type = ELINK_ETH_PHY_XFP_FIBER,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)elink_8705_config_init,
.read_status = (read_status_t)elink_8705_read_status,
.link_reset = (link_reset_t)elink_common_ext_link_reset,
.config_loopback = (config_loopback_t)NULL,
.format_fw_ver = (format_fw_ver_t)elink_null_format_ver,
.hw_reset = (hw_reset_t)NULL,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)NULL
};
static const struct elink_phy phy_8706 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
.addr = 0xff,
.def_md_devad = 0,
.flags = ELINK_FLAGS_INIT_XGXS_FIRST,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_FIBRE |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause),
.media_type = ELINK_ETH_PHY_SFPP_10G_FIBER,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)elink_8706_config_init,
.read_status = (read_status_t)elink_8706_read_status,
.link_reset = (link_reset_t)elink_common_ext_link_reset,
.config_loopback = (config_loopback_t)NULL,
.format_fw_ver = (format_fw_ver_t)elink_format_ver,
.hw_reset = (hw_reset_t)NULL,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)NULL
};
static const struct elink_phy phy_8726 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
.addr = 0xff,
.def_md_devad = 0,
.flags = (ELINK_FLAGS_INIT_XGXS_FIRST |
ELINK_FLAGS_TX_ERROR_CHECK),
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_Autoneg |
ELINK_SUPPORTED_FIBRE |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause),
.media_type = ELINK_ETH_PHY_NOT_PRESENT,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)elink_8726_config_init,
.read_status = (read_status_t)elink_8726_read_status,
.link_reset = (link_reset_t)elink_8726_link_reset,
.config_loopback = (config_loopback_t)elink_8726_config_loopback,
.format_fw_ver = (format_fw_ver_t)elink_format_ver,
.hw_reset = (hw_reset_t)NULL,
.set_link_led = (set_link_led_t)NULL,
.phy_specific_func = (phy_specific_func_t)NULL
};
static const struct elink_phy phy_8727 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
.addr = 0xff,
.def_md_devad = 0,
.flags = (ELINK_FLAGS_FAN_FAILURE_DET_REQ |
ELINK_FLAGS_TX_ERROR_CHECK),
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_FIBRE |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause),
.media_type = ELINK_ETH_PHY_NOT_PRESENT,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)elink_8727_config_init,
.read_status = (read_status_t)elink_8727_read_status,
.link_reset = (link_reset_t)elink_8727_link_reset,
.config_loopback = (config_loopback_t)NULL,
.format_fw_ver = (format_fw_ver_t)elink_format_ver,
.hw_reset = (hw_reset_t)elink_8727_hw_reset,
.set_link_led = (set_link_led_t)elink_8727_set_link_led,
.phy_specific_func = (phy_specific_func_t)elink_8727_specific_func
};
static const struct elink_phy phy_8481 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
.addr = 0xff,
.def_md_devad = 0,
.flags = ELINK_FLAGS_FAN_FAILURE_DET_REQ |
ELINK_FLAGS_REARM_LATCH_SIGNAL,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (ELINK_SUPPORTED_10baseT_Half |
ELINK_SUPPORTED_10baseT_Full |
ELINK_SUPPORTED_100baseT_Half |
ELINK_SUPPORTED_100baseT_Full |
ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_TP |
ELINK_SUPPORTED_Autoneg |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause),
.media_type = ELINK_ETH_PHY_BASE_T,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)elink_8481_config_init,
.read_status = (read_status_t)elink_848xx_read_status,
.link_reset = (link_reset_t)elink_8481_link_reset,
.config_loopback = (config_loopback_t)NULL,
.format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver,
.hw_reset = (hw_reset_t)elink_8481_hw_reset,
.set_link_led = (set_link_led_t)elink_848xx_set_link_led,
.phy_specific_func = (phy_specific_func_t)NULL
};
static const struct elink_phy phy_84823 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
.addr = 0xff,
.def_md_devad = 0,
.flags = (ELINK_FLAGS_FAN_FAILURE_DET_REQ |
ELINK_FLAGS_REARM_LATCH_SIGNAL |
ELINK_FLAGS_TX_ERROR_CHECK),
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (ELINK_SUPPORTED_10baseT_Half |
ELINK_SUPPORTED_10baseT_Full |
ELINK_SUPPORTED_100baseT_Half |
ELINK_SUPPORTED_100baseT_Full |
ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_TP |
ELINK_SUPPORTED_Autoneg |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause),
.media_type = ELINK_ETH_PHY_BASE_T,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)elink_848x3_config_init,
.read_status = (read_status_t)elink_848xx_read_status,
.link_reset = (link_reset_t)elink_848x3_link_reset,
.config_loopback = (config_loopback_t)NULL,
.format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver,
.hw_reset = (hw_reset_t)NULL,
.set_link_led = (set_link_led_t)elink_848xx_set_link_led,
.phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
};
static const struct elink_phy phy_84833 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
.addr = 0xff,
.def_md_devad = 0,
.flags = (ELINK_FLAGS_FAN_FAILURE_DET_REQ |
ELINK_FLAGS_REARM_LATCH_SIGNAL |
ELINK_FLAGS_TX_ERROR_CHECK |
ELINK_FLAGS_TEMPERATURE),
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (ELINK_SUPPORTED_100baseT_Half |
ELINK_SUPPORTED_100baseT_Full |
ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_TP |
ELINK_SUPPORTED_Autoneg |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause),
.media_type = ELINK_ETH_PHY_BASE_T,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)elink_848x3_config_init,
.read_status = (read_status_t)elink_848xx_read_status,
.link_reset = (link_reset_t)elink_848x3_link_reset,
.config_loopback = (config_loopback_t)NULL,
.format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver,
.hw_reset = (hw_reset_t)elink_84833_hw_reset_phy,
.set_link_led = (set_link_led_t)elink_848xx_set_link_led,
.phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
};
static const struct elink_phy phy_84834 = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
.addr = 0xff,
.def_md_devad = 0,
.flags = ELINK_FLAGS_FAN_FAILURE_DET_REQ |
ELINK_FLAGS_REARM_LATCH_SIGNAL,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (ELINK_SUPPORTED_100baseT_Half |
ELINK_SUPPORTED_100baseT_Full |
ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_TP |
ELINK_SUPPORTED_Autoneg |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause),
.media_type = ELINK_ETH_PHY_BASE_T,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
.req_duplex = 0,
.rsrv = 0,
.config_init = (config_init_t)elink_848x3_config_init,
.read_status = (read_status_t)elink_848xx_read_status,
.link_reset = (link_reset_t)elink_848x3_link_reset,
.config_loopback = (config_loopback_t)NULL,
.format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver,
.hw_reset = (hw_reset_t)elink_84833_hw_reset_phy,
.set_link_led = (set_link_led_t)elink_848xx_set_link_led,
.phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
};
static const struct elink_phy phy_54618se = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
.addr = 0xff,
.def_md_devad = 0,
.flags = ELINK_FLAGS_INIT_XGXS_FIRST,
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
.mdio_ctrl = 0,
.supported = (ELINK_SUPPORTED_10baseT_Half |
ELINK_SUPPORTED_10baseT_Full |
ELINK_SUPPORTED_100baseT_Half |
ELINK_SUPPORTED_100baseT_Full |
ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_TP |
ELINK_SUPPORTED_Autoneg |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause),
.media_type = ELINK_ETH_PHY_BASE_T,
.ver_addr = 0,
.req_flow_ctrl = 0,
.req_line_speed = 0,
.speed_cap_mask = 0,
/* req_duplex = */0,
/* rsrv = */0,
.config_init = (config_init_t)elink_54618se_config_init,
.read_status = (read_status_t)elink_54618se_read_status,
.link_reset = (link_reset_t)elink_54618se_link_reset,
.config_loopback = (config_loopback_t)elink_54618se_config_loopback,
.format_fw_ver = (format_fw_ver_t)NULL,
.hw_reset = (hw_reset_t)NULL,
.set_link_led = (set_link_led_t)elink_5461x_set_link_led,
.phy_specific_func = (phy_specific_func_t)elink_54618se_specific_func
};
/*****************************************************************/
/* */
/* Populate the phy according. Main function: elink_populate_phy */
/* */
/*****************************************************************/
static void elink_populate_preemphasis(struct bxe_softc *sc, uint32_t shmem_base,
struct elink_phy *phy, uint8_t port,
uint8_t phy_index)
{
/* Get the 4 lanes xgxs config rx and tx */
uint32_t rx = 0, tx = 0, i;
for (i = 0; i < 2; i++) {
/* INT_PHY and ELINK_EXT_PHY1 share the same value location in
* the shmem. When num_phys is greater than 1, than this value
* applies only to ELINK_EXT_PHY1
*/
if (phy_index == ELINK_INT_PHY || phy_index == ELINK_EXT_PHY1) {
rx = REG_RD(sc, shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
tx = REG_RD(sc, shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
} else {
rx = REG_RD(sc, shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
tx = REG_RD(sc, shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
}
phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
}
}
static uint32_t elink_get_ext_phy_config(struct bxe_softc *sc, uint32_t shmem_base,
uint8_t phy_index, uint8_t port)
{
uint32_t ext_phy_config = 0;
switch (phy_index) {
case ELINK_EXT_PHY1:
ext_phy_config = REG_RD(sc, shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].external_phy_config));
break;
case ELINK_EXT_PHY2:
ext_phy_config = REG_RD(sc, shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].external_phy_config2));
break;
default:
ELINK_DEBUG_P1(sc, "Invalid phy_index %d\n", phy_index);
return ELINK_STATUS_ERROR;
}
return ext_phy_config;
}
static elink_status_t elink_populate_int_phy(struct bxe_softc *sc, uint32_t shmem_base, uint8_t port,
struct elink_phy *phy)
{
uint32_t phy_addr;
uint32_t chip_id;
uint32_t switch_cfg = (REG_RD(sc, shmem_base +
offsetof(struct shmem_region,
dev_info.port_feature_config[port].link_config)) &
PORT_FEATURE_CONNECTED_SWITCH_MASK);
chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) |
((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12);
ELINK_DEBUG_P1(sc, ":chip_id = 0x%x\n", chip_id);
if (USES_WARPCORE(sc)) {
uint32_t serdes_net_if;
phy_addr = REG_RD(sc,
MISC_REG_WC0_CTRL_PHY_ADDR);
*phy = phy_warpcore;
if (REG_RD(sc, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
phy->flags |= ELINK_FLAGS_4_PORT_MODE;
else
phy->flags &= ~ELINK_FLAGS_4_PORT_MODE;
/* Check Dual mode */
serdes_net_if = (REG_RD(sc, shmem_base +
offsetof(struct shmem_region, dev_info.
port_hw_config[port].default_cfg)) &
PORT_HW_CFG_NET_SERDES_IF_MASK);
/* Set the appropriate supported and flags indications per
* interface type of the chip
*/
switch (serdes_net_if) {
case PORT_HW_CFG_NET_SERDES_IF_SGMII:
phy->supported &= (ELINK_SUPPORTED_10baseT_Half |
ELINK_SUPPORTED_10baseT_Full |
ELINK_SUPPORTED_100baseT_Half |
ELINK_SUPPORTED_100baseT_Full |
ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_FIBRE |
ELINK_SUPPORTED_Autoneg |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause);
phy->media_type = ELINK_ETH_PHY_BASE_T;
break;
case PORT_HW_CFG_NET_SERDES_IF_XFI:
phy->supported &= (ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_FIBRE |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause);
phy->media_type = ELINK_ETH_PHY_XFP_FIBER;
break;
case PORT_HW_CFG_NET_SERDES_IF_SFI:
phy->supported &= (ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_FIBRE |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause);
phy->media_type = ELINK_ETH_PHY_SFPP_10G_FIBER;
break;
case PORT_HW_CFG_NET_SERDES_IF_KR:
phy->media_type = ELINK_ETH_PHY_KR;
phy->supported &= (ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_FIBRE |
ELINK_SUPPORTED_Autoneg |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause);
break;
case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
phy->media_type = ELINK_ETH_PHY_KR;
phy->flags |= ELINK_FLAGS_WC_DUAL_MODE;
phy->supported &= (ELINK_SUPPORTED_20000baseMLD2_Full |
ELINK_SUPPORTED_FIBRE |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause);
break;
case PORT_HW_CFG_NET_SERDES_IF_KR2:
phy->media_type = ELINK_ETH_PHY_KR;
phy->flags |= ELINK_FLAGS_WC_DUAL_MODE;
phy->supported &= (ELINK_SUPPORTED_20000baseKR2_Full |
ELINK_SUPPORTED_10000baseT_Full |
ELINK_SUPPORTED_1000baseT_Full |
ELINK_SUPPORTED_Autoneg |
ELINK_SUPPORTED_FIBRE |
ELINK_SUPPORTED_Pause |
ELINK_SUPPORTED_Asym_Pause);
phy->flags &= ~ELINK_FLAGS_TX_ERROR_CHECK;
break;
default:
ELINK_DEBUG_P1(sc, "Unknown WC interface type 0x%x\n",
serdes_net_if);
break;
}
/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
* was not set as expected. For B0, ECO will be enabled so there
* won't be an issue there
*/
if (CHIP_REV(sc) == CHIP_REV_Ax)
phy->flags |= ELINK_FLAGS_MDC_MDIO_WA;
else
phy->flags |= ELINK_FLAGS_MDC_MDIO_WA_B0;
} else
{
switch (switch_cfg) {
case ELINK_SWITCH_CFG_1G:
phy_addr = REG_RD(sc,
NIG_REG_SERDES0_CTRL_PHY_ADDR +
port * 0x10);
*phy = phy_serdes;
break;
case ELINK_SWITCH_CFG_10G:
phy_addr = REG_RD(sc,
NIG_REG_XGXS0_CTRL_PHY_ADDR +
port * 0x18);
*phy = phy_xgxs;
break;
default:
ELINK_DEBUG_P0(sc, "Invalid switch_cfg\n");
return ELINK_STATUS_ERROR;
}
}
phy->addr = (uint8_t)phy_addr;
phy->mdio_ctrl = elink_get_emac_base(sc,
SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
port);
if (CHIP_IS_E2(sc))
phy->def_md_devad = ELINK_E2_DEFAULT_PHY_DEV_ADDR;
else
phy->def_md_devad = ELINK_DEFAULT_PHY_DEV_ADDR;
ELINK_DEBUG_P3(sc, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
port, phy->addr, phy->mdio_ctrl);
elink_populate_preemphasis(sc, shmem_base, phy, port, ELINK_INT_PHY);
return ELINK_STATUS_OK;
}
static elink_status_t elink_populate_ext_phy(struct bxe_softc *sc,
uint8_t phy_index,
uint32_t shmem_base,
uint32_t shmem2_base,
uint8_t port,
struct elink_phy *phy)
{
uint32_t ext_phy_config, phy_type, config2;
uint32_t mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
ext_phy_config = elink_get_ext_phy_config(sc, shmem_base,
phy_index, port);
phy_type = ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config);
/* Select the phy type */
switch (phy_type) {
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
*phy = phy_8073;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
*phy = phy_8705;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
*phy = phy_8706;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
*phy = phy_8726;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
/* BCM8727_NOC => BCM8727 no over current */
mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
*phy = phy_8727;
phy->flags |= ELINK_FLAGS_NOC;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
*phy = phy_8727;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
*phy = phy_8481;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
*phy = phy_84823;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
*phy = phy_84833;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
*phy = phy_84834;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
*phy = phy_54618se;
if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
phy->flags |= ELINK_FLAGS_EEE;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
*phy = phy_7101;
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
*phy = phy_null;
return ELINK_STATUS_ERROR;
default:
*phy = phy_null;
/* In case external PHY wasn't found */
if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
(phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
return ELINK_STATUS_ERROR;
return ELINK_STATUS_OK;
}
phy->addr = ELINK_XGXS_EXT_PHY_ADDR(ext_phy_config);
elink_populate_preemphasis(sc, shmem_base, phy, port, phy_index);
/* The shmem address of the phy version is located on different
* structures. In case this structure is too old, do not set
* the address
*/
config2 = REG_RD(sc, shmem_base + offsetof(struct shmem_region,
dev_info.shared_hw_config.config2));
if (phy_index == ELINK_EXT_PHY1) {
phy->ver_addr = shmem_base + offsetof(struct shmem_region,
port_mb[port].ext_phy_fw_version);
/* Check specific mdc mdio settings */
if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
mdc_mdio_access = config2 &
SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
} else {
uint32_t size = REG_RD(sc, shmem2_base);
if (size >
offsetof(struct shmem2_region, ext_phy_fw_version2)) {
phy->ver_addr = shmem2_base +
offsetof(struct shmem2_region,
ext_phy_fw_version2[port]);
}
/* Check specific mdc mdio settings */
if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
mdc_mdio_access = (config2 &
SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
}
phy->mdio_ctrl = elink_get_emac_base(sc, mdc_mdio_access, port);
if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
(phy->ver_addr)) {
/* Remove 100Mb link supported for BCM84833/4 when phy fw
* version lower than or equal to 1.39
*/
uint32_t raw_ver = REG_RD(sc, phy->ver_addr);
if (((raw_ver & 0x7F) <= 39) &&
(((raw_ver & 0xF80) >> 7) <= 1))
phy->supported &= ~(ELINK_SUPPORTED_100baseT_Half |
ELINK_SUPPORTED_100baseT_Full);
}
ELINK_DEBUG_P3(sc, "phy_type 0x%x port %d found in index %d\n",
phy_type, port, phy_index);
ELINK_DEBUG_P2(sc, " addr=0x%x, mdio_ctl=0x%x\n",
phy->addr, phy->mdio_ctrl);
return ELINK_STATUS_OK;
}
static elink_status_t elink_populate_phy(struct bxe_softc *sc, uint8_t phy_index, uint32_t shmem_base,
uint32_t shmem2_base, uint8_t port, struct elink_phy *phy)
{
elink_status_t status = ELINK_STATUS_OK;
phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
if (phy_index == ELINK_INT_PHY)
return elink_populate_int_phy(sc, shmem_base, port, phy);
status = elink_populate_ext_phy(sc, phy_index, shmem_base, shmem2_base,
port, phy);
return status;
}
static void elink_phy_def_cfg(struct elink_params *params,
struct elink_phy *phy,
uint8_t phy_index)
{
struct bxe_softc *sc = params->sc;
uint32_t link_config;
/* Populate the default phy configuration for MF mode */
if (phy_index == ELINK_EXT_PHY2) {
link_config = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_feature_config[params->port].link_config2));
phy->speed_cap_mask = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.
port_hw_config[params->port].speed_capability_mask2));
} else {
link_config = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_feature_config[params->port].link_config));
phy->speed_cap_mask = REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.
port_hw_config[params->port].speed_capability_mask));
}
ELINK_DEBUG_P3(sc,
"Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
phy_index, link_config, phy->speed_cap_mask);
phy->req_duplex = DUPLEX_FULL;
switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
case PORT_FEATURE_LINK_SPEED_10M_HALF:
phy->req_duplex = DUPLEX_HALF;
case PORT_FEATURE_LINK_SPEED_10M_FULL:
phy->req_line_speed = ELINK_SPEED_10;
break;
case PORT_FEATURE_LINK_SPEED_100M_HALF:
phy->req_duplex = DUPLEX_HALF;
case PORT_FEATURE_LINK_SPEED_100M_FULL:
phy->req_line_speed = ELINK_SPEED_100;
break;
case PORT_FEATURE_LINK_SPEED_1G:
phy->req_line_speed = ELINK_SPEED_1000;
break;
case PORT_FEATURE_LINK_SPEED_2_5G:
phy->req_line_speed = ELINK_SPEED_2500;
break;
case PORT_FEATURE_LINK_SPEED_10G_CX4:
phy->req_line_speed = ELINK_SPEED_10000;
break;
default:
phy->req_line_speed = ELINK_SPEED_AUTO_NEG;
break;
}
switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
case PORT_FEATURE_FLOW_CONTROL_AUTO:
phy->req_flow_ctrl = ELINK_FLOW_CTRL_AUTO;
break;
case PORT_FEATURE_FLOW_CONTROL_TX:
phy->req_flow_ctrl = ELINK_FLOW_CTRL_TX;
break;
case PORT_FEATURE_FLOW_CONTROL_RX:
phy->req_flow_ctrl = ELINK_FLOW_CTRL_RX;
break;
case PORT_FEATURE_FLOW_CONTROL_BOTH:
phy->req_flow_ctrl = ELINK_FLOW_CTRL_BOTH;
break;
default:
phy->req_flow_ctrl = ELINK_FLOW_CTRL_NONE;
break;
}
}
uint32_t elink_phy_selection(struct elink_params *params)
{
uint32_t phy_config_swapped, prio_cfg;
uint32_t return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
phy_config_swapped = params->multi_phy_config &
PORT_HW_CFG_PHY_SWAPPED_ENABLED;
prio_cfg = params->multi_phy_config &
PORT_HW_CFG_PHY_SELECTION_MASK;
if (phy_config_swapped) {
switch (prio_cfg) {
case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
break;
case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
break;
case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
break;
case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
break;
}
} else
return_cfg = prio_cfg;
return return_cfg;
}
elink_status_t elink_phy_probe(struct elink_params *params)
{
uint8_t phy_index, actual_phy_idx;
uint32_t phy_config_swapped, sync_offset, media_types;
struct bxe_softc *sc = params->sc;
struct elink_phy *phy;
params->num_phys = 0;
ELINK_DEBUG_P0(sc, "Begin phy probe\n");
#ifdef ELINK_INCLUDE_EMUL
if (CHIP_REV_IS_EMUL(sc))
return ELINK_STATUS_OK;
#endif
phy_config_swapped = params->multi_phy_config &
PORT_HW_CFG_PHY_SWAPPED_ENABLED;
for (phy_index = ELINK_INT_PHY; phy_index < ELINK_MAX_PHYS;
phy_index++) {
actual_phy_idx = phy_index;
if (phy_config_swapped) {
if (phy_index == ELINK_EXT_PHY1)
actual_phy_idx = ELINK_EXT_PHY2;
else if (phy_index == ELINK_EXT_PHY2)
actual_phy_idx = ELINK_EXT_PHY1;
}
ELINK_DEBUG_P3(sc, "phy_config_swapped %x, phy_index %x,"
" actual_phy_idx %x\n", phy_config_swapped,
phy_index, actual_phy_idx);
phy = &params->phy[actual_phy_idx];
if (elink_populate_phy(sc, phy_index, params->shmem_base,
params->shmem2_base, params->port,
phy) != ELINK_STATUS_OK) {
params->num_phys = 0;
ELINK_DEBUG_P1(sc, "phy probe failed in phy index %d\n",
phy_index);
for (phy_index = ELINK_INT_PHY;
phy_index < ELINK_MAX_PHYS;
phy_index++)
*phy = phy_null;
return ELINK_STATUS_ERROR;
}
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
break;
if (params->feature_config_flags &
ELINK_FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
phy->flags &= ~ELINK_FLAGS_TX_ERROR_CHECK;
if (!(params->feature_config_flags &
ELINK_FEATURE_CONFIG_MT_SUPPORT))
phy->flags |= ELINK_FLAGS_MDC_MDIO_WA_G;
sync_offset = params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[params->port].media_type);
media_types = REG_RD(sc, sync_offset);
/* Update media type for non-PMF sync only for the first time
* In case the media type changes afterwards, it will be updated
* using the update_status function
*/
if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
actual_phy_idx))) == 0) {
media_types |= ((phy->media_type &
PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
actual_phy_idx));
}
REG_WR(sc, sync_offset, media_types);
elink_phy_def_cfg(params, phy, phy_index);
params->num_phys++;
}
ELINK_DEBUG_P1(sc, "End phy probe. #phys found %x\n", params->num_phys);
return ELINK_STATUS_OK;
}
#ifdef ELINK_INCLUDE_EMUL
static elink_status_t elink_init_e3_emul_mac(struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
vars->line_speed = params->req_line_speed[0];
/* In case link speed is auto, set speed the highest as possible */
if (params->req_line_speed[0] == ELINK_SPEED_AUTO_NEG) {
if (params->feature_config_flags &
ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC)
vars->line_speed = ELINK_SPEED_2500;
else if (elink_is_4_port_mode(sc))
vars->line_speed = ELINK_SPEED_10000;
else
vars->line_speed = ELINK_SPEED_20000;
}
if (vars->line_speed < ELINK_SPEED_10000) {
if ((params->feature_config_flags &
ELINK_FEATURE_CONFIG_EMUL_DISABLE_UMAC)) {
ELINK_DEBUG_P1(sc, "Invalid line speed %d while UMAC is"
" disabled!\n", params->req_line_speed[0]);
return ELINK_STATUS_ERROR;
}
switch (vars->line_speed) {
case ELINK_SPEED_10:
vars->link_status = ELINK_LINK_10TFD;
break;
case ELINK_SPEED_100:
vars->link_status = ELINK_LINK_100TXFD;
break;
case ELINK_SPEED_1000:
vars->link_status = ELINK_LINK_1000TFD;
break;
case ELINK_SPEED_2500:
vars->link_status = ELINK_LINK_2500TFD;
break;
default:
ELINK_DEBUG_P1(sc, "Invalid line speed %d for UMAC\n",
vars->line_speed);
return ELINK_STATUS_ERROR;
}
vars->link_status |= LINK_STATUS_LINK_UP;
if (params->loopback_mode == ELINK_LOOPBACK_UMAC)
elink_umac_enable(params, vars, 1);
else
elink_umac_enable(params, vars, 0);
} else {
/* Link speed >= 10000 requires XMAC enabled */
if (params->feature_config_flags &
ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC) {
ELINK_DEBUG_P1(sc, "Invalid line speed %d while XMAC is"
" disabled!\n", params->req_line_speed[0]);
return ELINK_STATUS_ERROR;
}
/* Check link speed */
switch (vars->line_speed) {
case ELINK_SPEED_10000:
vars->link_status = ELINK_LINK_10GTFD;
break;
case ELINK_SPEED_20000:
vars->link_status = ELINK_LINK_20GTFD;
break;
default:
ELINK_DEBUG_P1(sc, "Invalid line speed %d for XMAC\n",
vars->line_speed);
return ELINK_STATUS_ERROR;
}
vars->link_status |= LINK_STATUS_LINK_UP;
if (params->loopback_mode == ELINK_LOOPBACK_XMAC)
elink_xmac_enable(params, vars, 1);
else
elink_xmac_enable(params, vars, 0);
}
return ELINK_STATUS_OK;
}
static elink_status_t elink_init_emul(struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
if (CHIP_IS_E3(sc)) {
if (elink_init_e3_emul_mac(params, vars) !=
ELINK_STATUS_OK)
return ELINK_STATUS_ERROR;
} else {
if (params->feature_config_flags &
ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC) {
vars->line_speed = ELINK_SPEED_1000;
vars->link_status = (LINK_STATUS_LINK_UP |
ELINK_LINK_1000XFD);
if (params->loopback_mode ==
ELINK_LOOPBACK_EMAC)
elink_emac_enable(params, vars, 1);
else
elink_emac_enable(params, vars, 0);
} else {
vars->line_speed = ELINK_SPEED_10000;
vars->link_status = (LINK_STATUS_LINK_UP |
ELINK_LINK_10GTFD);
if (params->loopback_mode ==
ELINK_LOOPBACK_BMAC)
elink_bmac_enable(params, vars, 1, 1);
else
elink_bmac_enable(params, vars, 0, 1);
}
}
vars->link_up = 1;
vars->duplex = DUPLEX_FULL;
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
if (CHIP_IS_E1x(sc))
elink_pbf_update(params, vars->flow_ctrl,
vars->line_speed);
/* Disable drain */
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
/* update shared memory */
elink_update_mng(params, vars->link_status);
return ELINK_STATUS_OK;
}
#endif
#ifdef ELINK_INCLUDE_FPGA
static elink_status_t elink_init_fpga(struct elink_params *params,
struct elink_vars *vars)
{
/* Enable on E1.5 FPGA */
struct bxe_softc *sc = params->sc;
vars->duplex = DUPLEX_FULL;
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
if (!(CHIP_IS_E1(sc))) {
vars->flow_ctrl = (ELINK_FLOW_CTRL_TX |
ELINK_FLOW_CTRL_RX);
vars->link_status |= (LINK_STATUS_TX_FLOW_CONTROL_ENABLED |
LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
}
if (CHIP_IS_E3(sc)) {
vars->line_speed = params->req_line_speed[0];
switch (vars->line_speed) {
case ELINK_SPEED_AUTO_NEG:
vars->line_speed = ELINK_SPEED_2500;
case ELINK_SPEED_2500:
vars->link_status = ELINK_LINK_2500TFD;
break;
case ELINK_SPEED_1000:
vars->link_status = ELINK_LINK_1000XFD;
break;
case ELINK_SPEED_100:
vars->link_status = ELINK_LINK_100TXFD;
break;
case ELINK_SPEED_10:
vars->link_status = ELINK_LINK_10TFD;
break;
default:
ELINK_DEBUG_P1(sc, "Invalid link speed %d\n",
params->req_line_speed[0]);
return ELINK_STATUS_ERROR;
}
vars->link_status |= LINK_STATUS_LINK_UP;
if (params->loopback_mode == ELINK_LOOPBACK_UMAC)
elink_umac_enable(params, vars, 1);
else
elink_umac_enable(params, vars, 0);
} else {
vars->line_speed = ELINK_SPEED_10000;
vars->link_status = (LINK_STATUS_LINK_UP | ELINK_LINK_10GTFD);
if (params->loopback_mode == ELINK_LOOPBACK_EMAC)
elink_emac_enable(params, vars, 1);
else
elink_emac_enable(params, vars, 0);
}
vars->link_up = 1;
if (CHIP_IS_E1x(sc))
elink_pbf_update(params, vars->flow_ctrl,
vars->line_speed);
/* Disable drain */
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
/* Update shared memory */
elink_update_mng(params, vars->link_status);
return ELINK_STATUS_OK;
}
#endif
static void elink_init_bmac_loopback(struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
vars->link_up = 1;
vars->line_speed = ELINK_SPEED_10000;
vars->duplex = DUPLEX_FULL;
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
vars->mac_type = ELINK_MAC_TYPE_BMAC;
vars->phy_flags = PHY_XGXS_FLAG;
elink_xgxs_deassert(params);
/* Set bmac loopback */
elink_bmac_enable(params, vars, 1, 1);
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
}
static void elink_init_emac_loopback(struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
vars->link_up = 1;
vars->line_speed = ELINK_SPEED_1000;
vars->duplex = DUPLEX_FULL;
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
vars->mac_type = ELINK_MAC_TYPE_EMAC;
vars->phy_flags = PHY_XGXS_FLAG;
elink_xgxs_deassert(params);
/* Set bmac loopback */
elink_emac_enable(params, vars, 1);
elink_emac_program(params, vars);
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
}
static void elink_init_xmac_loopback(struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
vars->link_up = 1;
if (!params->req_line_speed[0])
vars->line_speed = ELINK_SPEED_10000;
else
vars->line_speed = params->req_line_speed[0];
vars->duplex = DUPLEX_FULL;
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
vars->mac_type = ELINK_MAC_TYPE_XMAC;
vars->phy_flags = PHY_XGXS_FLAG;
/* Set WC to loopback mode since link is required to provide clock
* to the XMAC in 20G mode
*/
elink_set_aer_mmd(params, &params->phy[0]);
elink_warpcore_reset_lane(sc, &params->phy[0], 0);
params->phy[ELINK_INT_PHY].config_loopback(
&params->phy[ELINK_INT_PHY],
params);
elink_xmac_enable(params, vars, 1);
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
}
static void elink_init_umac_loopback(struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
vars->link_up = 1;
vars->line_speed = ELINK_SPEED_1000;
vars->duplex = DUPLEX_FULL;
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
vars->mac_type = ELINK_MAC_TYPE_UMAC;
vars->phy_flags = PHY_XGXS_FLAG;
elink_umac_enable(params, vars, 1);
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
}
static void elink_init_xgxs_loopback(struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
struct elink_phy *int_phy = &params->phy[ELINK_INT_PHY];
vars->link_up = 1;
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
vars->duplex = DUPLEX_FULL;
if (params->req_line_speed[0] == ELINK_SPEED_1000)
vars->line_speed = ELINK_SPEED_1000;
else if ((params->req_line_speed[0] == ELINK_SPEED_20000) ||
(int_phy->flags & ELINK_FLAGS_WC_DUAL_MODE))
vars->line_speed = ELINK_SPEED_20000;
else
vars->line_speed = ELINK_SPEED_10000;
if (!USES_WARPCORE(sc))
elink_xgxs_deassert(params);
elink_link_initialize(params, vars);
if (params->req_line_speed[0] == ELINK_SPEED_1000) {
if (USES_WARPCORE(sc))
elink_umac_enable(params, vars, 0);
else {
elink_emac_program(params, vars);
elink_emac_enable(params, vars, 0);
}
} else {
if (USES_WARPCORE(sc))
elink_xmac_enable(params, vars, 0);
else
elink_bmac_enable(params, vars, 0, 1);
}
if (params->loopback_mode == ELINK_LOOPBACK_XGXS) {
/* Set 10G XGXS loopback */
int_phy->config_loopback(int_phy, params);
} else {
/* Set external phy loopback */
uint8_t phy_index;
for (phy_index = ELINK_EXT_PHY1;
phy_index < params->num_phys; phy_index++)
if (params->phy[phy_index].config_loopback)
params->phy[phy_index].config_loopback(
&params->phy[phy_index],
params);
}
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
elink_set_led(params, vars, ELINK_LED_MODE_OPER, vars->line_speed);
}
void elink_set_rx_filter(struct elink_params *params, uint8_t en)
{
struct bxe_softc *sc = params->sc;
uint8_t val = en * 0x1F;
/* Open / close the gate between the NIG and the BRB */
if (!CHIP_IS_E1x(sc))
val |= en * 0x20;
REG_WR(sc, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
if (!CHIP_IS_E1(sc)) {
REG_WR(sc, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
en*0x3);
}
REG_WR(sc, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
NIG_REG_LLH0_BRB1_NOT_MCP), en);
}
static elink_status_t elink_avoid_link_flap(struct elink_params *params,
struct elink_vars *vars)
{
uint32_t phy_idx;
uint32_t dont_clear_stat, lfa_sts;
struct bxe_softc *sc = params->sc;
/* Sync the link parameters */
elink_link_status_update(params, vars);
/*
* The module verification was already done by previous link owner,
* so this call is meant only to get warning message
*/
for (phy_idx = ELINK_INT_PHY; phy_idx < params->num_phys; phy_idx++) {
struct elink_phy *phy = &params->phy[phy_idx];
if (phy->phy_specific_func) {
ELINK_DEBUG_P0(sc, "Calling PHY specific func\n");
phy->phy_specific_func(phy, params, ELINK_PHY_INIT);
}
if ((phy->media_type == ELINK_ETH_PHY_SFPP_10G_FIBER) ||
(phy->media_type == ELINK_ETH_PHY_SFP_1G_FIBER) ||
(phy->media_type == ELINK_ETH_PHY_DA_TWINAX))
elink_verify_sfp_module(phy, params);
}
lfa_sts = REG_RD(sc, params->lfa_base +
offsetof(struct shmem_lfa,
lfa_sts));
dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
/* Re-enable the NIG/MAC */
if (CHIP_IS_E3(sc)) {
if (!dont_clear_stat) {
REG_WR(sc, GRCBASE_MISC +
MISC_REGISTERS_RESET_REG_2_CLEAR,
(MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
params->port));
REG_WR(sc, GRCBASE_MISC +
MISC_REGISTERS_RESET_REG_2_SET,
(MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
params->port));
}
if (vars->line_speed < ELINK_SPEED_10000)
elink_umac_enable(params, vars, 0);
else
elink_xmac_enable(params, vars, 0);
} else {
if (vars->line_speed < ELINK_SPEED_10000)
elink_emac_enable(params, vars, 0);
else
elink_bmac_enable(params, vars, 0, !dont_clear_stat);
}
/* Increment LFA count */
lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
(((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
<< LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
/* Clear link flap reason */
lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
REG_WR(sc, params->lfa_base +
offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
/* Disable NIG DRAIN */
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
/* Enable interrupts */
elink_link_int_enable(params);
return ELINK_STATUS_OK;
}
static void elink_cannot_avoid_link_flap(struct elink_params *params,
struct elink_vars *vars,
int lfa_status)
{
uint32_t lfa_sts, cfg_idx, tmp_val;
struct bxe_softc *sc = params->sc;
elink_link_reset(params, vars, 1);
if (!params->lfa_base)
return;
/* Store the new link parameters */
REG_WR(sc, params->lfa_base +
offsetof(struct shmem_lfa, req_duplex),
params->req_duplex[0] | (params->req_duplex[1] << 16));
REG_WR(sc, params->lfa_base +
offsetof(struct shmem_lfa, req_flow_ctrl),
params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
REG_WR(sc, params->lfa_base +
offsetof(struct shmem_lfa, req_line_speed),
params->req_line_speed[0] | (params->req_line_speed[1] << 16));
for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
REG_WR(sc, params->lfa_base +
offsetof(struct shmem_lfa,
speed_cap_mask[cfg_idx]),
params->speed_cap_mask[cfg_idx]);
}
tmp_val = REG_RD(sc, params->lfa_base +
offsetof(struct shmem_lfa, additional_config));
tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
tmp_val |= params->req_fc_auto_adv;
REG_WR(sc, params->lfa_base +
offsetof(struct shmem_lfa, additional_config), tmp_val);
lfa_sts = REG_RD(sc, params->lfa_base +
offsetof(struct shmem_lfa, lfa_sts));
/* Clear the "Don't Clear Statistics" bit, and set reason */
lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
/* Set link flap reason */
lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
LFA_LINK_FLAP_REASON_OFFSET);
/* Increment link flap counter */
lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
(((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
<< LINK_FLAP_COUNT_OFFSET));
REG_WR(sc, params->lfa_base +
offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
/* Proceed with regular link initialization */
}
elink_status_t elink_phy_init(struct elink_params *params, struct elink_vars *vars)
{
int lfa_status;
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P0(sc, "Phy Initialization started\n");
ELINK_DEBUG_P2(sc, "(1) req_speed %d, req_flowctrl %d\n",
params->req_line_speed[0], params->req_flow_ctrl[0]);
ELINK_DEBUG_P2(sc, "(2) req_speed %d, req_flowctrl %d\n",
params->req_line_speed[1], params->req_flow_ctrl[1]);
ELINK_DEBUG_P1(sc, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
vars->link_status = 0;
vars->phy_link_up = 0;
vars->link_up = 0;
vars->line_speed = 0;
vars->duplex = DUPLEX_FULL;
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
vars->mac_type = ELINK_MAC_TYPE_NONE;
vars->phy_flags = 0;
vars->check_kr2_recovery_cnt = 0;
params->link_flags = ELINK_PHY_INITIALIZED;
/* Driver opens NIG-BRB filters */
elink_set_rx_filter(params, 1);
/* Check if link flap can be avoided */
lfa_status = elink_check_lfa(params);
if (lfa_status == 0) {
ELINK_DEBUG_P0(sc, "Link Flap Avoidance in progress\n");
return elink_avoid_link_flap(params, vars);
}
ELINK_DEBUG_P1(sc, "Cannot avoid link flap lfa_sta=0x%x\n",
lfa_status);
elink_cannot_avoid_link_flap(params, vars, lfa_status);
/* Disable attentions */
elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
(ELINK_NIG_MASK_XGXS0_LINK_STATUS |
ELINK_NIG_MASK_XGXS0_LINK10G |
ELINK_NIG_MASK_SERDES0_LINK_STATUS |
ELINK_NIG_MASK_MI_INT));
#ifdef ELINK_INCLUDE_EMUL
if (!(params->feature_config_flags &
ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC))
#endif
elink_emac_init(params, vars);
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
vars->link_status |= LINK_STATUS_PFC_ENABLED;
if ((params->num_phys == 0) &&
!CHIP_REV_IS_SLOW(sc)) {
ELINK_DEBUG_P0(sc, "No phy found for initialization !!\n");
return ELINK_STATUS_ERROR;
}
set_phy_vars(params, vars);
ELINK_DEBUG_P1(sc, "Num of phys on board: %d\n", params->num_phys);
#ifdef ELINK_INCLUDE_FPGA
if (CHIP_REV_IS_FPGA(sc)) {
return elink_init_fpga(params, vars);
} else
#endif
#ifdef ELINK_INCLUDE_EMUL
if (CHIP_REV_IS_EMUL(sc)) {
return elink_init_emul(params, vars);
} else
#endif
switch (params->loopback_mode) {
case ELINK_LOOPBACK_BMAC:
elink_init_bmac_loopback(params, vars);
break;
case ELINK_LOOPBACK_EMAC:
elink_init_emac_loopback(params, vars);
break;
case ELINK_LOOPBACK_XMAC:
elink_init_xmac_loopback(params, vars);
break;
case ELINK_LOOPBACK_UMAC:
elink_init_umac_loopback(params, vars);
break;
case ELINK_LOOPBACK_XGXS:
case ELINK_LOOPBACK_EXT_PHY:
elink_init_xgxs_loopback(params, vars);
break;
default:
if (!CHIP_IS_E3(sc)) {
if (params->switch_cfg == ELINK_SWITCH_CFG_10G)
elink_xgxs_deassert(params);
else
elink_serdes_deassert(sc, params->port);
}
elink_link_initialize(params, vars);
DELAY(1000 * 30);
elink_link_int_enable(params);
break;
}
elink_update_mng(params, vars->link_status);
elink_update_mng_eee(params, vars->eee_status);
return ELINK_STATUS_OK;
}
elink_status_t elink_link_reset(struct elink_params *params, struct elink_vars *vars,
uint8_t reset_ext_phy)
{
struct bxe_softc *sc = params->sc;
uint8_t phy_index, port = params->port, clear_latch_ind = 0;
ELINK_DEBUG_P1(sc, "Resetting the link of port %d\n", port);
/* Disable attentions */
vars->link_status = 0;
elink_update_mng(params, vars->link_status);
vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
SHMEM_EEE_ACTIVE_BIT);
elink_update_mng_eee(params, vars->eee_status);
elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
(ELINK_NIG_MASK_XGXS0_LINK_STATUS |
ELINK_NIG_MASK_XGXS0_LINK10G |
ELINK_NIG_MASK_SERDES0_LINK_STATUS |
ELINK_NIG_MASK_MI_INT));
/* Activate nig drain */
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
/* Disable nig egress interface */
if (!CHIP_IS_E3(sc)) {
REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port*4, 0);
REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
}
#ifdef ELINK_INCLUDE_EMUL
/* Stop BigMac rx */
if (!(params->feature_config_flags &
ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC))
#endif
if (!CHIP_IS_E3(sc))
elink_set_bmac_rx(sc, params->chip_id, port, 0);
#ifdef ELINK_INCLUDE_EMUL
/* Stop XMAC/UMAC rx */
if (!(params->feature_config_flags &
ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC))
#endif
if (CHIP_IS_E3(sc) &&
!CHIP_REV_IS_FPGA(sc)) {
elink_set_xmac_rxtx(params, 0);
elink_set_umac_rxtx(params, 0);
}
/* Disable emac */
if (!CHIP_IS_E3(sc))
REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 0);
DELAY(1000 * 10);
/* The PHY reset is controlled by GPIO 1
* Hold it as vars low
*/
/* Clear link led */
elink_set_mdio_emac_per_phy(sc, params);
elink_set_led(params, vars, ELINK_LED_MODE_OFF, 0);
if (reset_ext_phy && (!CHIP_REV_IS_SLOW(sc))) {
for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
phy_index++) {
if (params->phy[phy_index].link_reset) {
elink_set_aer_mmd(params,
&params->phy[phy_index]);
params->phy[phy_index].link_reset(
&params->phy[phy_index],
params);
}
if (params->phy[phy_index].flags &
ELINK_FLAGS_REARM_LATCH_SIGNAL)
clear_latch_ind = 1;
}
}
if (clear_latch_ind) {
/* Clear latching indication */
elink_rearm_latch_signal(sc, port, 0);
elink_bits_dis(sc, NIG_REG_LATCH_BC_0 + port*4,
1 << ELINK_NIG_LATCH_BC_ENABLE_MI_INT);
}
#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
if (!CHIP_REV_IS_SLOW(sc))
#endif
if (params->phy[ELINK_INT_PHY].link_reset)
params->phy[ELINK_INT_PHY].link_reset(
&params->phy[ELINK_INT_PHY], params);
/* Disable nig ingress interface */
if (!CHIP_IS_E3(sc)) {
/* Reset BigMac */
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
REG_WR(sc, NIG_REG_BMAC0_IN_EN + port*4, 0);
REG_WR(sc, NIG_REG_EMAC0_IN_EN + port*4, 0);
} else {
uint32_t xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
elink_set_xumac_nig(params, 0, 0);
if (REG_RD(sc, MISC_REG_RESET_REG_2) &
MISC_REGISTERS_RESET_REG_2_XMAC)
REG_WR(sc, xmac_base + XMAC_REG_CTRL,
XMAC_CTRL_REG_SOFT_RESET);
}
vars->link_up = 0;
vars->phy_flags = 0;
return ELINK_STATUS_OK;
}
elink_status_t elink_lfa_reset(struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
vars->link_up = 0;
vars->phy_flags = 0;
params->link_flags &= ~ELINK_PHY_INITIALIZED;
if (!params->lfa_base)
return elink_link_reset(params, vars, 1);
/*
* Activate NIG drain so that during this time the device won't send
* anything while it is unable to response.
*/
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
/*
* Close gracefully the gate from BMAC to NIG such that no half packets
* are passed.
*/
if (!CHIP_IS_E3(sc))
elink_set_bmac_rx(sc, params->chip_id, params->port, 0);
if (CHIP_IS_E3(sc)) {
elink_set_xmac_rxtx(params, 0);
elink_set_umac_rxtx(params, 0);
}
/* Wait 10ms for the pipe to clean up*/
DELAY(1000 * 10);
/* Clean the NIG-BRB using the network filters in a way that will
* not cut a packet in the middle.
*/
elink_set_rx_filter(params, 0);
/*
* Re-open the gate between the BMAC and the NIG, after verifying the
* gate to the BRB is closed, otherwise packets may arrive to the
* firmware before driver had initialized it. The target is to achieve
* minimum management protocol down time.
*/
if (!CHIP_IS_E3(sc))
elink_set_bmac_rx(sc, params->chip_id, params->port, 1);
if (CHIP_IS_E3(sc)) {
elink_set_xmac_rxtx(params, 1);
elink_set_umac_rxtx(params, 1);
}
/* Disable NIG drain */
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
return ELINK_STATUS_OK;
}
/****************************************************************************/
/* Common function */
/****************************************************************************/
static elink_status_t elink_8073_common_init_phy(struct bxe_softc *sc,
uint32_t shmem_base_path[],
uint32_t shmem2_base_path[], uint8_t phy_index,
uint32_t chip_id)
{
struct elink_phy phy[PORT_MAX];
struct elink_phy *phy_blk[PORT_MAX];
uint16_t val;
int8_t port = 0;
int8_t port_of_path = 0;
uint32_t swap_val, swap_override;
swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
port ^= (swap_val && swap_override);
elink_ext_phy_hw_reset(sc, port);
/* PART1 - Reset both phys */
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
uint32_t shmem_base, shmem2_base;
/* In E2, same phy is using for port0 of the two paths */
if (CHIP_IS_E1x(sc)) {
shmem_base = shmem_base_path[0];
shmem2_base = shmem2_base_path[0];
port_of_path = port;
} else {
shmem_base = shmem_base_path[port];
shmem2_base = shmem2_base_path[port];
port_of_path = 0;
}
/* Extract the ext phy address for the port */
if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
port_of_path, &phy[port]) !=
ELINK_STATUS_OK) {
ELINK_DEBUG_P0(sc, "populate_phy failed\n");
return ELINK_STATUS_ERROR;
}
/* Disable attentions */
elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
port_of_path*4,
(ELINK_NIG_MASK_XGXS0_LINK_STATUS |
ELINK_NIG_MASK_XGXS0_LINK10G |
ELINK_NIG_MASK_SERDES0_LINK_STATUS |
ELINK_NIG_MASK_MI_INT));
/* Need to take the phy out of low power mode in order
* to write to access its registers
*/
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_HIGH,
port);
/* Reset the phy */
elink_cl45_write(sc, &phy[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_CTRL,
1<<15);
}
/* Add delay of 150ms after reset */
DELAY(1000 * 150);
if (phy[PORT_0].addr & 0x1) {
phy_blk[PORT_0] = &(phy[PORT_1]);
phy_blk[PORT_1] = &(phy[PORT_0]);
} else {
phy_blk[PORT_0] = &(phy[PORT_0]);
phy_blk[PORT_1] = &(phy[PORT_1]);
}
/* PART2 - Download firmware to both phys */
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
if (CHIP_IS_E1x(sc))
port_of_path = port;
else
port_of_path = 0;
ELINK_DEBUG_P1(sc, "Loading spirom for phy address 0x%x\n",
phy_blk[port]->addr);
if (elink_8073_8727_external_rom_boot(sc, phy_blk[port],
port_of_path))
return ELINK_STATUS_ERROR;
/* Only set bit 10 = 1 (Tx power down) */
elink_cl45_read(sc, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_TX_POWER_DOWN, &val);
/* Phase1 of TX_POWER_DOWN reset */
elink_cl45_write(sc, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_TX_POWER_DOWN,
(val | 1<<10));
}
/* Toggle Transmitter: Power down and then up with 600ms delay
* between
*/
DELAY(1000 * 600);
/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
/* Phase2 of POWER_DOWN_RESET */
/* Release bit 10 (Release Tx power down) */
elink_cl45_read(sc, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_TX_POWER_DOWN, &val);
elink_cl45_write(sc, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
DELAY(1000 * 15);
/* Read modify write the SPI-ROM version select register */
elink_cl45_read(sc, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_EDC_FFE_MAIN, &val);
elink_cl45_write(sc, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
/* set GPIO2 back to LOW */
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
}
return ELINK_STATUS_OK;
}
static elink_status_t elink_8726_common_init_phy(struct bxe_softc *sc,
uint32_t shmem_base_path[],
uint32_t shmem2_base_path[], uint8_t phy_index,
uint32_t chip_id)
{
uint32_t val;
int8_t port;
struct elink_phy phy;
/* Use port1 because of the static port-swap */
/* Enable the module detection interrupt */
val = REG_RD(sc, MISC_REG_GPIO_EVENT_EN);
val |= ((1<<MISC_REGISTERS_GPIO_3)|
(1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
REG_WR(sc, MISC_REG_GPIO_EVENT_EN, val);
elink_ext_phy_hw_reset(sc, 0);
DELAY(1000 * 5);
for (port = 0; port < PORT_MAX; port++) {
uint32_t shmem_base, shmem2_base;
/* In E2, same phy is using for port0 of the two paths */
if (CHIP_IS_E1x(sc)) {
shmem_base = shmem_base_path[0];
shmem2_base = shmem2_base_path[0];
} else {
shmem_base = shmem_base_path[port];
shmem2_base = shmem2_base_path[port];
}
/* Extract the ext phy address for the port */
if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
port, &phy) !=
ELINK_STATUS_OK) {
ELINK_DEBUG_P0(sc, "populate phy failed\n");
return ELINK_STATUS_ERROR;
}
/* Reset phy*/
elink_cl45_write(sc, &phy,
MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
/* Set fault module detected LED on */
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_0,
MISC_REGISTERS_GPIO_HIGH,
port);
}
return ELINK_STATUS_OK;
}
static void elink_get_ext_phy_reset_gpio(struct bxe_softc *sc, uint32_t shmem_base,
uint8_t *io_gpio, uint8_t *io_port)
{
uint32_t phy_gpio_reset = REG_RD(sc, shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[PORT_0].default_cfg));
switch (phy_gpio_reset) {
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
*io_gpio = 0;
*io_port = 0;
break;
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
*io_gpio = 1;
*io_port = 0;
break;
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
*io_gpio = 2;
*io_port = 0;
break;
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
*io_gpio = 3;
*io_port = 0;
break;
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
*io_gpio = 0;
*io_port = 1;
break;
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
*io_gpio = 1;
*io_port = 1;
break;
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
*io_gpio = 2;
*io_port = 1;
break;
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
*io_gpio = 3;
*io_port = 1;
break;
default:
/* Don't override the io_gpio and io_port */
break;
}
}
static elink_status_t elink_8727_common_init_phy(struct bxe_softc *sc,
uint32_t shmem_base_path[],
uint32_t shmem2_base_path[], uint8_t phy_index,
uint32_t chip_id)
{
int8_t port, reset_gpio;
uint32_t swap_val, swap_override;
struct elink_phy phy[PORT_MAX];
struct elink_phy *phy_blk[PORT_MAX];
int8_t port_of_path;
swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
reset_gpio = MISC_REGISTERS_GPIO_1;
port = 1;
/* Retrieve the reset gpio/port which control the reset.
* Default is GPIO1, PORT1
*/
elink_get_ext_phy_reset_gpio(sc, shmem_base_path[0],
(uint8_t *)&reset_gpio, (uint8_t *)&port);
/* Calculate the port based on port swap */
port ^= (swap_val && swap_override);
/* Initiate PHY reset*/
elink_cb_gpio_write(sc, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
port);
DELAY(1000 * 1);
elink_cb_gpio_write(sc, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
port);
DELAY(1000 * 5);
/* PART1 - Reset both phys */
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
uint32_t shmem_base, shmem2_base;
/* In E2, same phy is using for port0 of the two paths */
if (CHIP_IS_E1x(sc)) {
shmem_base = shmem_base_path[0];
shmem2_base = shmem2_base_path[0];
port_of_path = port;
} else {
shmem_base = shmem_base_path[port];
shmem2_base = shmem2_base_path[port];
port_of_path = 0;
}
/* Extract the ext phy address for the port */
if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
port_of_path, &phy[port]) !=
ELINK_STATUS_OK) {
ELINK_DEBUG_P0(sc, "populate phy failed\n");
return ELINK_STATUS_ERROR;
}
/* disable attentions */
elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
port_of_path*4,
(ELINK_NIG_MASK_XGXS0_LINK_STATUS |
ELINK_NIG_MASK_XGXS0_LINK10G |
ELINK_NIG_MASK_SERDES0_LINK_STATUS |
ELINK_NIG_MASK_MI_INT));
/* Reset the phy */
elink_cl45_write(sc, &phy[port],
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
}
/* Add delay of 150ms after reset */
DELAY(1000 * 150);
if (phy[PORT_0].addr & 0x1) {
phy_blk[PORT_0] = &(phy[PORT_1]);
phy_blk[PORT_1] = &(phy[PORT_0]);
} else {
phy_blk[PORT_0] = &(phy[PORT_0]);
phy_blk[PORT_1] = &(phy[PORT_1]);
}
/* PART2 - Download firmware to both phys */
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
if (CHIP_IS_E1x(sc))
port_of_path = port;
else
port_of_path = 0;
ELINK_DEBUG_P1(sc, "Loading spirom for phy address 0x%x\n",
phy_blk[port]->addr);
if (elink_8073_8727_external_rom_boot(sc, phy_blk[port],
port_of_path))
return ELINK_STATUS_ERROR;
/* Disable PHY transmitter output */
elink_cl45_write(sc, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_TX_DISABLE, 1);
}
return ELINK_STATUS_OK;
}
static elink_status_t elink_84833_common_init_phy(struct bxe_softc *sc,
uint32_t shmem_base_path[],
uint32_t shmem2_base_path[],
uint8_t phy_index,
uint32_t chip_id)
{
uint8_t reset_gpios;
reset_gpios = elink_84833_get_reset_gpios(sc, shmem_base_path, chip_id);
elink_cb_gpio_mult_write(sc, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
DELAY(10);
elink_cb_gpio_mult_write(sc, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
ELINK_DEBUG_P1(sc, "84833 reset pulse on pin values 0x%x\n",
reset_gpios);
return ELINK_STATUS_OK;
}
static elink_status_t elink_ext_phy_common_init(struct bxe_softc *sc, uint32_t shmem_base_path[],
uint32_t shmem2_base_path[], uint8_t phy_index,
uint32_t ext_phy_type, uint32_t chip_id)
{
elink_status_t rc = ELINK_STATUS_OK;
switch (ext_phy_type) {
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
rc = elink_8073_common_init_phy(sc, shmem_base_path,
shmem2_base_path,
phy_index, chip_id);
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
rc = elink_8727_common_init_phy(sc, shmem_base_path,
shmem2_base_path,
phy_index, chip_id);
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
/* GPIO1 affects both ports, so there's need to pull
* it for single port alone
*/
rc = elink_8726_common_init_phy(sc, shmem_base_path,
shmem2_base_path,
phy_index, chip_id);
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
/* GPIO3's are linked, and so both need to be toggled
* to obtain required 2us pulse.
*/
rc = elink_84833_common_init_phy(sc, shmem_base_path,
shmem2_base_path,
phy_index, chip_id);
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
rc = ELINK_STATUS_ERROR;
break;
default:
ELINK_DEBUG_P1(sc,
"ext_phy 0x%x common init not required\n",
ext_phy_type);
break;
}
if (rc != ELINK_STATUS_OK)
elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, 0); // "Warning: PHY was not initialized,"
// " Port %d\n",
return rc;
}
elink_status_t elink_common_init_phy(struct bxe_softc *sc, uint32_t shmem_base_path[],
uint32_t shmem2_base_path[], uint32_t chip_id,
uint8_t one_port_enabled)
{
elink_status_t rc = ELINK_STATUS_OK;
uint32_t phy_ver, val;
uint8_t phy_index = 0;
uint32_t ext_phy_type, ext_phy_config;
#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
if (CHIP_REV_IS_EMUL(sc) || CHIP_REV_IS_FPGA(sc))
return ELINK_STATUS_OK;
#endif
elink_set_mdio_clk(sc, chip_id, GRCBASE_EMAC0);
elink_set_mdio_clk(sc, chip_id, GRCBASE_EMAC1);
ELINK_DEBUG_P0(sc, "Begin common phy init\n");
if (CHIP_IS_E3(sc)) {
/* Enable EPIO */
val = REG_RD(sc, MISC_REG_GEN_PURP_HWG);
REG_WR(sc, MISC_REG_GEN_PURP_HWG, val | 1);
}
/* Check if common init was already done */
phy_ver = REG_RD(sc, shmem_base_path[0] +
offsetof(struct shmem_region,
port_mb[PORT_0].ext_phy_fw_version));
if (phy_ver) {
ELINK_DEBUG_P1(sc, "Not doing common init; phy ver is 0x%x\n",
phy_ver);
return ELINK_STATUS_OK;
}
/* Read the ext_phy_type for arbitrary port(0) */
for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
phy_index++) {
ext_phy_config = elink_get_ext_phy_config(sc,
shmem_base_path[0],
phy_index, 0);
ext_phy_type = ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config);
rc |= elink_ext_phy_common_init(sc, shmem_base_path,
shmem2_base_path,
phy_index, ext_phy_type,
chip_id);
}
return rc;
}
static void elink_check_over_curr(struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint32_t cfg_pin;
uint8_t port = params->port;
uint32_t pin_val;
cfg_pin = (REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
/* Ignore check if no external input PIN available */
if (elink_get_cfg_pin(sc, cfg_pin, &pin_val) != ELINK_STATUS_OK)
return;
if (!pin_val) {
if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
elink_cb_event_log(sc, ELINK_LOG_ID_OVER_CURRENT, params->port); //"Error: Power fault on Port %d has"
// " been detected and the power to "
// "that SFP+ module has been removed"
// " to prevent failure of the card."
// " Please remove the SFP+ module and"
// " restart the system to clear this"
// " error.\n",
vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
elink_warpcore_power_module(params, 0);
}
} else
vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
}
/* Returns 0 if no change occured since last check; 1 otherwise. */
static uint8_t elink_analyze_link_error(struct elink_params *params,
struct elink_vars *vars, uint32_t status,
uint32_t phy_flag, uint32_t link_flag, uint8_t notify)
{
struct bxe_softc *sc = params->sc;
/* Compare new value with previous value */
uint8_t led_mode;
uint32_t old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
if ((status ^ old_status) == 0)
return 0;
/* If values differ */
switch (phy_flag) {
case PHY_HALF_OPEN_CONN_FLAG:
ELINK_DEBUG_P0(sc, "Analyze Remote Fault\n");
break;
case PHY_SFP_TX_FAULT_FLAG:
ELINK_DEBUG_P0(sc, "Analyze TX Fault\n");
break;
default:
ELINK_DEBUG_P0(sc, "Analyze UNKNOWN\n");
}
ELINK_DEBUG_P3(sc, "Link changed:[%x %x]->%x\n", vars->link_up,
old_status, status);
/* Do not touch the link in case physical link down */
if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
return 1;
/* a. Update shmem->link_status accordingly
* b. Update elink_vars->link_up
*/
if (status) {
vars->link_status &= ~LINK_STATUS_LINK_UP;
vars->link_status |= link_flag;
vars->link_up = 0;
vars->phy_flags |= phy_flag;
/* activate nig drain */
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
/* Set LED mode to off since the PHY doesn't know about these
* errors
*/
led_mode = ELINK_LED_MODE_OFF;
} else {
vars->link_status |= LINK_STATUS_LINK_UP;
vars->link_status &= ~link_flag;
vars->link_up = 1;
vars->phy_flags &= ~phy_flag;
led_mode = ELINK_LED_MODE_OPER;
/* Clear nig drain */
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
}
elink_sync_link(params, vars);
/* Update the LED according to the link state */
elink_set_led(params, vars, led_mode, ELINK_SPEED_10000);
/* Update link status in the shared memory */
elink_update_mng(params, vars->link_status);
/* C. Trigger General Attention */
vars->periodic_flags |= ELINK_PERIODIC_FLAGS_LINK_EVENT;
if (notify)
elink_cb_notify_link_changed(sc);
return 1;
}
/******************************************************************************
* Description:
* This function checks for half opened connection change indication.
* When such change occurs, it calls the elink_analyze_link_error
* to check if Remote Fault is set or cleared. Reception of remote fault
* status message in the MAC indicates that the peer's MAC has detected
* a fault, for example, due to break in the TX side of fiber.
*
******************************************************************************/
elink_status_t elink_check_half_open_conn(struct elink_params *params,
struct elink_vars *vars,
uint8_t notify)
{
struct bxe_softc *sc = params->sc;
uint32_t lss_status = 0;
uint32_t mac_base;
/* In case link status is physically up @ 10G do */
if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
(REG_RD(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
return ELINK_STATUS_OK;
if (CHIP_IS_E3(sc) &&
(REG_RD(sc, MISC_REG_RESET_REG_2) &
(MISC_REGISTERS_RESET_REG_2_XMAC))) {
/* Check E3 XMAC */
/* Note that link speed cannot be queried here, since it may be
* zero while link is down. In case UMAC is active, LSS will
* simply not be set
*/
mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
/* Clear stick bits (Requires rising edge) */
REG_WR(sc, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
REG_WR(sc, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
if (REG_RD(sc, mac_base + XMAC_REG_RX_LSS_STATUS))
lss_status = 1;
elink_analyze_link_error(params, vars, lss_status,
PHY_HALF_OPEN_CONN_FLAG,
LINK_STATUS_NONE, notify);
} else if (REG_RD(sc, MISC_REG_RESET_REG_2) &
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
/* Check E1X / E2 BMAC */
uint32_t lss_status_reg;
uint32_t wb_data[2];
mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
NIG_REG_INGRESS_BMAC0_MEM;
/* Read BIGMAC_REGISTER_RX_LSS_STATUS */
if (CHIP_IS_E2(sc))
lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
else
lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
REG_RD_DMAE(sc, mac_base + lss_status_reg, wb_data, 2);
lss_status = (wb_data[0] > 0);
elink_analyze_link_error(params, vars, lss_status,
PHY_HALF_OPEN_CONN_FLAG,
LINK_STATUS_NONE, notify);
}
return ELINK_STATUS_OK;
}
static void elink_sfp_tx_fault_detection(struct elink_phy *phy,
struct elink_params *params,
struct elink_vars *vars)
{
struct bxe_softc *sc = params->sc;
uint32_t cfg_pin, value = 0;
uint8_t led_change, port = params->port;
/* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
cfg_pin = (REG_RD(sc, params->shmem_base + offsetof(struct shmem_region,
dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
PORT_HW_CFG_E3_TX_FAULT_MASK) >>
PORT_HW_CFG_E3_TX_FAULT_SHIFT;
if (elink_get_cfg_pin(sc, cfg_pin, &value)) {
ELINK_DEBUG_P1(sc, "Failed to read pin 0x%02x\n", cfg_pin);
return;
}
led_change = elink_analyze_link_error(params, vars, value,
PHY_SFP_TX_FAULT_FLAG,
LINK_STATUS_SFP_TX_FAULT, 1);
if (led_change) {
/* Change TX_Fault led, set link status for further syncs */
uint8_t led_mode;
if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
led_mode = MISC_REGISTERS_GPIO_HIGH;
vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
} else {
led_mode = MISC_REGISTERS_GPIO_LOW;
vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
}
/* If module is unapproved, led should be on regardless */
if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED)) {
ELINK_DEBUG_P1(sc, "Change TX_Fault LED: ->%x\n",
led_mode);
elink_set_e3_module_fault_led(params, led_mode);
}
}
}
static void elink_kr2_recovery(struct elink_params *params,
struct elink_vars *vars,
struct elink_phy *phy)
{
struct bxe_softc *sc = params->sc;
ELINK_DEBUG_P0(sc, "KR2 recovery\n");
elink_warpcore_enable_AN_KR2(phy, params, vars);
elink_warpcore_restart_AN_KR(phy, params);
}
static void elink_check_kr2_wa(struct elink_params *params,
struct elink_vars *vars,
struct elink_phy *phy)
{
struct bxe_softc *sc = params->sc;
uint16_t base_page, next_page, not_kr2_device, lane;
int sigdet;
/* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
* Since some switches tend to reinit the AN process and clear the
* the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
* and recovered many times
*/
if (vars->check_kr2_recovery_cnt > 0) {
vars->check_kr2_recovery_cnt--;
return;
}
sigdet = elink_warpcore_get_sigdet(phy, params);
if (!sigdet) {
if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
elink_kr2_recovery(params, vars, phy);
ELINK_DEBUG_P0(sc, "No sigdet\n");
}
return;
}
lane = elink_get_warpcore_lane(phy, params);
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, lane);
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_LP_AUTO_NEG, &base_page);
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
elink_set_aer_mmd(params, phy);
/* CL73 has not begun yet */
if (base_page == 0) {
if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
elink_kr2_recovery(params, vars, phy);
ELINK_DEBUG_P0(sc, "No BP\n");
}
return;
}
/* In case NP bit is not set in the BasePage, or it is set,
* but only KX is advertised, declare this link partner as non-KR2
* device.
*/
not_kr2_device = (((base_page & 0x8000) == 0) ||
(((base_page & 0x8000) &&
((next_page & 0xe0) == 0x2))));
/* In case KR2 is already disabled, check if we need to re-enable it */
if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
if (!not_kr2_device) {
ELINK_DEBUG_P2(sc, "BP=0x%x, NP=0x%x\n", base_page,
next_page);
elink_kr2_recovery(params, vars, phy);
}
return;
}
/* KR2 is enabled, but not KR2 device */
if (not_kr2_device) {
/* Disable KR2 on both lanes */
ELINK_DEBUG_P2(sc, "BP=0x%x, NP=0x%x\n", base_page, next_page);
elink_disable_kr2(params, vars, phy);
/* Restart AN on leading lane */
elink_warpcore_restart_AN_KR(phy, params);
return;
}
}
void elink_period_func(struct elink_params *params, struct elink_vars *vars)
{
uint16_t phy_idx;
struct bxe_softc *sc = params->sc;
for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
if (params->phy[phy_idx].flags & ELINK_FLAGS_TX_ERROR_CHECK) {
elink_set_aer_mmd(params, &params->phy[phy_idx]);
if (elink_check_half_open_conn(params, vars, 1) !=
ELINK_STATUS_OK)
ELINK_DEBUG_P0(sc, "Fault detection failed\n");
break;
}
}
if (CHIP_IS_E3(sc)) {
struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
elink_set_aer_mmd(params, phy);
if ((phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) &&
(phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
elink_check_kr2_wa(params, vars, phy);
elink_check_over_curr(params, vars);
if (vars->rx_tx_asic_rst)
elink_warpcore_config_runtime(phy, params, vars);
if ((REG_RD(sc, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_hw_config[params->port].default_cfg))
& PORT_HW_CFG_NET_SERDES_IF_MASK) ==
PORT_HW_CFG_NET_SERDES_IF_SFI) {
if (elink_is_sfp_module_plugged(phy, params)) {
elink_sfp_tx_fault_detection(phy, params, vars);
} else if (vars->link_status &
LINK_STATUS_SFP_TX_FAULT) {
/* Clean trail, interrupt corrects the leds */
vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
/* Update link status in the shared memory */
elink_update_mng(params, vars->link_status);
}
}
}
}
uint8_t elink_fan_failure_det_req(struct bxe_softc *sc,
uint32_t shmem_base,
uint32_t shmem2_base,
uint8_t port)
{
uint8_t phy_index, fan_failure_det_req = 0;
struct elink_phy phy;
for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
phy_index++) {
if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
port, &phy)
!= ELINK_STATUS_OK) {
ELINK_DEBUG_P0(sc, "populate phy failed\n");
return 0;
}
fan_failure_det_req |= (phy.flags &
ELINK_FLAGS_FAN_FAILURE_DET_REQ);
}
return fan_failure_det_req;
}
void elink_hw_reset_phy(struct elink_params *params)
{
uint8_t phy_index;
struct bxe_softc *sc = params->sc;
elink_update_mng(params, 0);
elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
(ELINK_NIG_MASK_XGXS0_LINK_STATUS |
ELINK_NIG_MASK_XGXS0_LINK10G |
ELINK_NIG_MASK_SERDES0_LINK_STATUS |
ELINK_NIG_MASK_MI_INT));
for (phy_index = ELINK_INT_PHY; phy_index < ELINK_MAX_PHYS;
phy_index++) {
if (params->phy[phy_index].hw_reset) {
params->phy[phy_index].hw_reset(
&params->phy[phy_index],
params);
params->phy[phy_index] = phy_null;
}
}
}
void elink_init_mod_abs_int(struct bxe_softc *sc, struct elink_vars *vars,
uint32_t chip_id, uint32_t shmem_base, uint32_t shmem2_base,
uint8_t port)
{
uint8_t gpio_num = 0xff, gpio_port = 0xff, phy_index;
uint32_t val;
uint32_t offset, aeu_mask, swap_val, swap_override, sync_offset;
if (CHIP_IS_E3(sc)) {
if (elink_get_mod_abs_int_cfg(sc, chip_id,
shmem_base,
port,
&gpio_num,
&gpio_port) != ELINK_STATUS_OK)
return;
} else {
struct elink_phy phy;
for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
phy_index++) {
if (elink_populate_phy(sc, phy_index, shmem_base,
shmem2_base, port, &phy)
!= ELINK_STATUS_OK) {
ELINK_DEBUG_P0(sc, "populate phy failed\n");
return;
}
if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
gpio_num = MISC_REGISTERS_GPIO_3;
gpio_port = port;
break;
}
}
}
if (gpio_num == 0xff)
return;
/* Set GPIO3 to trigger SFP+ module insertion/removal */
elink_cb_gpio_write(sc, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
gpio_port ^= (swap_val && swap_override);
vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
(gpio_num + (gpio_port << 2));
sync_offset = shmem_base +
offsetof(struct shmem_region,
dev_info.port_hw_config[port].aeu_int_mask);
REG_WR(sc, sync_offset, vars->aeu_int_mask);
ELINK_DEBUG_P3(sc, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
gpio_num, gpio_port, vars->aeu_int_mask);
if (port == 0)
offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
else
offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
/* Open appropriate AEU for interrupts */
aeu_mask = REG_RD(sc, offset);
aeu_mask |= vars->aeu_int_mask;
REG_WR(sc, offset, aeu_mask);
/* Enable the GPIO to trigger interrupt */
val = REG_RD(sc, MISC_REG_GPIO_EVENT_EN);
val |= 1 << (gpio_num + (gpio_port << 2));
REG_WR(sc, MISC_REG_GPIO_EVENT_EN, val);
}
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